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Author Topic: Tanks for goldfish  (Read 4070 times)
Dragonii
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Re: Tanks for goldfish
« Reply #90 on: October 12, 2011, 09:04:38 AM »

The reason Eheim and other companies cost so much is because of the advertising and R&D. That white filter has actually been around for some time, they used to be sold by a company called Sunsun out of China.

As far as it breaking, it's not often that something on a canister filter just breaks. They are built pretty tough and as long as you take care of them they tend to last. There are parts available for these filters online. Over here I can get parts from Ebay or a couple of sellers that carry their brand.
This is the company that makes them over here.
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And this company sells them...
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As well as Amazon, Buy.com and Walmart.
I'm sure if you look around you will find online dealers there that carry the Eagle Aquatics line.

BTY, the filter that this replaced was an Eheim 2217. Not that the Eheim was bad, but trying to re-prime it when I had it in the cabinet was a struggle. The Aquatop you just push down on the big button until it's primed.

I did not dislike the Eheim, but I wouldn't trade my Aquatop for one.
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Dragonii
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Re: Tanks for goldfish
« Reply #91 on: October 12, 2011, 12:34:37 PM »

This might help.

 This is the same as the Eagle Aquatic canister.
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Skwishee
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Re: Tanks for goldfish
« Reply #92 on: October 12, 2011, 02:16:36 PM »

Thanks guy!

Nossie, I think the guy was completely over pricing it, I've seen the Eheim 2217 online for around £90/100, I intend to ask at the aquarium shop down the road about it, I am sure they could potentially get it in for cheaper.

Thanks for the video Dragonii, I found it really helpful Smiley
So any sponges I buy (as you mentioned before) can go in the bottom tray? And I'd need to get ceramic rings and carbon?

I'm beginning to wish I lived in America XD You guys seem to have so much choice! And such cheap tanks!
I saw this 180L Juwel aquarium in the aquarium shop down the road and they were charging £350 (that's $550)!
Yet you guys can get tanks the same size 180L/47 gallons, for around $50! This is assuming you catch one of those sales at PetCo you mentioned, where it's a dollar a gallon, in total it would be around £30, for a 50 gallon tank an absolute bargain!
The price difference is just un real!?

Also Dragonii, I did manage to find an Aquarist's society, but their a bit useless, quite far away and they mostly deal with tropical fish, I also checked their classified and from what they've been selling, I doubt I'd get any freebie tanks Embarrassed

Thank goodness my parents are letting me have their old tank! Otherwise I'd be in a right pickle!
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Nossie
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Re: Tanks for goldfish
« Reply #93 on: October 12, 2011, 03:23:51 PM »

Some shops have the "Have you seen it cheaper somewhere?" kind of policy and they'll lower the prices to get more customers. However, I think that's a lot more common in online shops.

Tanks here are roughly 1Ä/liter (with lights) but then you of course need to get filtration and decorations yourself, for larger systems that can be surprisingly expensive. Besides, since I'd rather not have any smaller tanks than 200 liters I'd end up spending at the very least 250-300Ä on a brand new tank.
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Dragonii
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Re: Tanks for goldfish
« Reply #94 on: October 12, 2011, 03:49:13 PM »

The filter comes with carbon and some ceramic rings. Carbon is exhaustible so it will have to be replaced, if you plan to keep using it that is. I use it sometimes if the water starts to turn yellowish or something, otherwise it isn't really needed all the time.

What I did was pick up some of these things at the dollar store.
[image]

They provide more surface area than most so called "bio media". You just have to make sure that you get the ones with no cleaners added to them and no metal rings to hold them together... in other words, the cheap ones. Just stick em in the empty spots in the filter and you are good to go. When you clean the filter just swoosh them around in the tank water to clean the debris out of them. An advantage of the Eagle over the Eheim Classic is the the Eheim is an open cylinder, the Eagle has baskets.
When you are cleaning it you can pull the baskets out and leave the dirty old water in the filter. You can then shake out the filter media baskets as you pull them out of that water without killing the bacteria. You can hose off the filter pads with a hose because there is more than enough bio media other than the pads. Dump out the old water and reassemble.
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Dragonii
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Re: Tanks for goldfish
« Reply #95 on: October 12, 2011, 04:25:45 PM »

In responce to our choices and prices in the US... yes, we do stuff cheaper for the most part, but there is a price to pay. When you go somewhere like Petco the tanks are all the same, glass boxes with black plastic rims. It is hard to find the nicer stuff like Eurobraced tanks, rimless tanks, Starphire tanks, etc. The reason the prices are low is because stores like Walmart, Petsmart, Petco etc set the price points. They tell the manufacturers that they will only sell them if they can be sold for a certain (low) price. Therefore the manufacturers make then cheaper. If you want a good high quality tank (Oceanic, ADA etc.) you have to go to a local shop or buy online.

They have much nicer looking tanks in the UK. Like Akvastabil, ND Aquatics and so on. Tank manufacturing over there is still thought of as an art.

Petco (particle board stand)
[image]

VS
Akva Stabil
[image]
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Skwishee
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Re: Tanks for goldfish
« Reply #96 on: October 13, 2011, 06:53:05 AM »

Ahh I see what you mean Dragonii!
Really big tanks for goldfish are hard to find around here! But the ones with the cabinets do look nice.
I saw a lovely bow front Juwel aquarium the other day!

Yeah those were the sponges I was thinking of, I remember you mentioning them before!
I see what you mean about the brand on Amazon, baskets and a prime button!
I'll also look into the use of carbon in a filter, I have it in the filter I'm currently using, because it came with it and needs replacing every 8 weeks.

Oh, also, here is my dads filter! I noticed it had a little crack on one side and the inside of the fan area looks quite gunky, but I cannot figure out how to get in there! Also it doesn't have a plug, as my dad mentioned having a 'black box' that he wired everything into, lights/heater etc, so that all his equipment only needed one plug?

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Dragonii
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Re: Tanks for goldfish
« Reply #97 on: October 13, 2011, 11:16:45 AM »

Ah, that's a simple one. What you have to remember is that no matter how complicated they try to design a filter, they are all still pretty simple.
That piece sitting over the impeller (fan), should pull off. That allows you to take the impeller out. Soak it in water and vinegar (50/50) and then scrub it off with an old tooth brush. Chances are it will still work.
As for the plug, just put a new one on it. They sell replacement plugs at home improvement stores for cheap.
That sponge looks shot, toss it. get a new one or pack the filter with your own stuff. People too often think they have to use what the manufacturer makes, be creative, think outside of the box.
Pack it like this. If you want to use carbon just put a layer of it in there somewhere between the filter sponge and bio media. For the filter sponge just pick up one of the block sponges for an Aqua Clear power filter and cut it to fit in tightly. For the Bio Media cut the little loop that holds the pot scrubbers together and unravel it. Just stuff it in, not too tight, not too loose.
Packed like this it will be even better than the way Fluval designed it.
[image]
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Nossie
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Re: Tanks for goldfish
« Reply #98 on: October 13, 2011, 01:13:50 PM »

The Fluval 3 we had was a tad different, so I assume this one must be an older design Smiley It's probably the same size though.
But I agree with Dragonii, and I'd like to add that those sponges are pretty hard to find, not to mention that they're pretty bad, they get gunky very fast and are too small for goldfish, it'd be a lot better if you'd sort of customize your filter media Wink

About carbon media: It's designed to remove chemicals from the tank water, so it's good to keep the first two weeks with a new filter in the tank for example, in case there is something stuck in the small crevices that you didn't manage to clean out. Most people use it only after using medication in quarantine systems (which is the ideal usage and also what I'd recommend). I think Dragonii mentioned using it if the water gets yellowish, and that's also an idea since it absorbs discolorations as well.
But using it constantly will get expensive in the long run since carbon can't be re-used (unlike zeolithe which can be bathed in salt water to draw out the ammonia and make it usable again) and has to be exchanged every second to every 8th week.
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Skwishee
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Re: Tanks for goldfish
« Reply #99 on: October 13, 2011, 01:28:31 PM »

You guys are such fountains of knowledge!

For some reason, I cannot get the piece over the impeller off Undecided I don't want to use too much force and break it *sigh* So will attempt to open it again tomorrow, maybe my partner can help me out with it. I'm wondering if maybe its stuck because of dried gunk or something?

I'll see what I can do about the filter media though, thanks for the advice about carbon. If it's not a necessity to have 24/7 then I might not bother. You mentioned Zeolithe which can be re-charged to be used again, are there other things like that, which can be used in filters? Maybe something to use instead of the carbon?

Nossie: when you say the sponges are hard to find, is this the filter sponge, or the sponges Dragonii posted the picture of?

[Edit]

Discovered a shop called MaidenHead Aquatics, a little out of the way (I don't fancy walking for an hour and 40 minutes XD) But could probably find a way to get there. They have some external filters around the £80-100 price mark, that would be suitable, but could always check there for over things as well ^_^
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« Last Edit: October 13, 2011, 01:47:35 PM by Skwishee » Logged
Dragonii
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Re: Tanks for goldfish
« Reply #100 on: October 13, 2011, 01:54:34 PM »

I think she is talking about the original Fluval filters, the round one that was in it.
In order to set it up the way I explained just about any sponge filter will work, as long as it's big enough to fit snug. Like Nossie said, sponges get clogged fast, that's why I recommend the pot scrubber under it. The pot scrubber will work as a pre-filter, catching the bigger particles first. That will help the filter last longer between cleanings.

Just go to the aquarium store and tell them you need a foam block. These are probably the best. Not too fine, not too course, reusable and you can cut them to the size you need.
[image]


Otherwise any filter foam will work, pond filter insert, Aqua Clear foam block, most of the scrubbers that they sell in the aquarium stores will work... I've even used sheets of felt from the craft store for fine filtration and womens stockings for media bags. Like I said, be CREATIVE! It not only saves you money, but it's fun.  Wink
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Dragonii
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Re: Tanks for goldfish
« Reply #101 on: October 13, 2011, 02:00:50 PM »

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 They have some external filters around the £80-100 price mark, that would be suitable, but could always check there for over things as well ^_^
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Give me a brand name and model number and I'll let you know what I think about anything that you are considering.

The biggest problem with the trade is this new custom of forcing people to buy replacement media for filters. It gets very costly in the long run. It's best to buy a filter that does not require the constant purchase of replacement media. All of my filters are set up so that I never have to buy replacement filter pads for them. I also have it set up so that when I do use carbon I can use the loose carbon that you buy in the jugs, it's much cheaper than buying the pre-made carbon packs.
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Skwishee
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Re: Tanks for goldfish
« Reply #102 on: October 13, 2011, 02:16:26 PM »

Well, the 'exclusive' model they have is an AquaManta EFX 300 external filter (does around 1100 L/H/£84.99) or the next model up which is AquaManta EFX 400 external filter (does around 1400 L/H/£99.99).

I'm still considering the one on Amazon, as it is half the price of all these and does twice the litres per hour!

Also, I just found this (Link is not visible to guests. Please register to view.)
How swish are they!
« Last Edit: October 13, 2011, 02:21:25 PM by Skwishee » Logged
Dragonii
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Re: Tanks for goldfish
« Reply #103 on: October 13, 2011, 04:40:25 PM »

Did some looking around... found this.

"Just wondered if anyone has this filter or knows if they are any good? I'm looking at the AquaManta EFX 200 External Filter for our tank which is 120litres."

"For a fiver more, I would definitely get (Link is not visible to guests. Please register to view.) "
(this is the older model of the Eagle Aquatics that is on Amazon)

Someone else on the forum had this to say...

"As part of a good value package, I was provided with an Aquamanta EFX300 by MA. I found that there is considerable media bypass, even after thoroughly checking that assemby was correct. Consequently, the water was not perfectly clear, and tiny snails could bypass the media, causing blockage of the spray bar holes. Also, the end stop on the spray bar kept popping off as the holes became blocked, and on one occasion it disappeared into the heavily planted aquarium. I went on to MA website for spares. They have spares pages for many different items, but NOT for the Aquamanta range - exclusive to themselves. I used their 'contact us' box three times requesting this tiny part be sent urgently. I was totally ignored."

I'd get the one on Amazon. It's cheaper and I can vouch for it not having any bypass issues.
I know you are worried about "what if it breaks?"... I have run canisters of various brands for years and not have them break. Just don't try to force anything with a pry bar and you should be fine.
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Dragonii
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Re: Tanks for goldfish
« Reply #104 on: October 13, 2011, 04:42:01 PM »

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Also, I just found this (Link is not visible to guests. Please register to view.)
How swish are they!


lol, if you can afford a G Series then you don't need our help.
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Nossie
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Re: Tanks for goldfish
« Reply #105 on: October 14, 2011, 03:23:37 AM »

Wahahaha! Grin G-series, eh?
Looks pretty complicated to me... and complicated usually means EXPENSIVE-TO-THE-POINT-WHERE-I-NEED-TO-SELL-MY-HOUSE.
But it might be a good filter, you never know unless you try Smiley

And yes, I did mean those round, hollow filter sponges Smiley But it's such a waste to drill a hole in a sponge like that! Really, what are those manufacturers thinking? D: (Except: "If we make as small amount of media as possible they'll have to buy replacements all the time!")

I was thinking about replacing some of the bottom sponges in my Eheim with some of them cheap plastic scrubbers... Maybe I could save a few coins? Wink
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Skwishee
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Re: Tanks for goldfish
« Reply #106 on: October 14, 2011, 03:28:55 AM »

Haha I know I'd never be able to afford a G series Embarrassed
They just looked so nifty... with a display that can tell you performance... water quality... it makes me think of that talking filter the fish in the tank get in Finding Nemo.

I think that filter you've mentioned Dragnoii, was on amazon as well, I don't think it's an older eagle model? Rather a different company? At least thats how it appears on amazon (Link is not visible to guests. Please register to view.)

I think I might pop down to the aquarium shop tomorrow and ask there about the prices for Eheim or any filter that can do 1000 L/H. See what they say, what kind of prices they mention.

Thanks guys, I really appreciate your help... now time to see if I can get the cover over the impeller off....
« Last Edit: October 14, 2011, 03:42:33 AM by Skwishee » Logged
Nossie
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Re: Tanks for goldfish
« Reply #107 on: October 14, 2011, 03:37:20 AM »

I tried watching finding Nemo twice... but honestly, I just can't stand that movie @_@
The characters are all so obnoxious I just wish those fish never learned to talk @__@"
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Skwishee
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Re: Tanks for goldfish
« Reply #108 on: October 14, 2011, 03:45:28 AM »

Awww I loved Finding Nemo! But I can appreciate how you'd find it annoying Smiley

What I like about the film is how it's based on real fish and real species, for example Nemo and his dad actually live in Anemone as clownfish would in the wild, the jellyfish forest would really happen, except when jellyfish gather together it's called a bloom, compared to other films where fish are 'humanised' to a degree like Sharks Tale where the fish live in cities under the sea Roll Eyes

My imagination enjoys it so much more, because you can believe it.
The amount of times I've been sat in the aquarium at home and heard kids go 'Look its Nemo!' when pointing at the clownfish XD

[Update]

Okay! So with a pair of trusty pliers, I managed to get the cover of the impeller off *hooray!* There was gunk dried up that had caused the cover to become stuck, no wonder I couldn't get it off with my hands!
Now for the photo, it is truly gross XD Gunk for lunch anyone?

Also can't seem to get the fan out? Would it be okay to just soak the whole thing? Or just scrub it down really well?
« Last Edit: October 14, 2011, 06:52:30 AM by Skwishee » Logged
Dragonii
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Re: Tanks for goldfish
« Reply #109 on: October 14, 2011, 09:22:02 AM »

It's fine to soak it. Just drop it in some warm water and that junk will loosen up.

" I don't think it's an older eagle model?".... it has a different name brand on it but it comes from the same lineage.
The mother company that makes them is SunSun (they are the best aquarium filter manufacturer in China), they just re-brand them for sale in other countries.
[image]


Basically what they have done, and the reason they are so cheap, is this.
A company started making the filters and then licensed the design to several brand names. You can find it labeled as SunSun out of China, Aquatop in the US, Eagle Aquatics in the UK and also labeled as All Pond Solutions in the UK. I've also seen it labeled as Grech, JBJ and Jebo. All Ponds is a retailer, they just pay to have their name put on the box. It's just like a few years ago Petsmart here in the US sold a canister labeled with their name on the box, but it was really a Hydor canister.
That All Ponds canister that he linked is the older style of the SunSun, Aquatop, Eagle canister. The only real difference between it and the new one is that the prime button is bigger now.


I think I may take pictures the next time I clean mine out so ya'll can see how much stuff it catches. The filter pads are just nasty, caked in debris, brown and sludgy... lol   All a good sign, means it is doing it's job.
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Dragonii
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Re: Tanks for goldfish
« Reply #110 on: October 14, 2011, 10:39:02 AM »

Found this tid bit of info on a forum over at aquariacentral.com...

"SunSun makes more canister filters then Fluval and Eheim put together, you might think they are new but if you have bought a Marineland C series or a JBL or a Tetra cannister filter over the past 7 years then you have bought a filter actually made by SunSun.
SunSun is a brand that has been in Asia for over 10 years and is one of the big 4 of Chinese OEM Aquarium manufacturers, any one of which is bigger then anything in the US or Europe. The Aquarium hobby is huge in Asia compared to the US or Europe and the Asian manufacturers have become very large businesses themselves.
Nothing wrong with SunSun ... a HW-302 is only $21 ex factory compared to $63 for a Eheim 2217 (which is also contrary to popular belief made in China)."
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Skwishee
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Re: Tanks for goldfish
« Reply #111 on: October 15, 2011, 12:52:50 PM »

Oh wow, thanks Dragonii, I had no idea!
No wonder their so cheap, if the company is that big XD

I've soaked my dads filter, given it a good clean, but I can still see some gunk underneath the fan, but can't seem to get to it? Is there any trick to getting the fan out?

I was also thinking, that once I've cleaned it and got the plug sorted, I could test it with the old media in a bucket of water, just to make sure it works, before buying new media?
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Nossie
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Re: Tanks for goldfish
« Reply #112 on: October 16, 2011, 02:46:07 AM »

Most fans are stuck simply with a magnetic force that keeps them rotating Smiley (In all the Eheim and Fluval models I had at least) Simply grab the fan and pull.
If it's still stuck, there's probably some gunk holding it, just like that lid, so soaking it and then trying to pull maybe would help? (Unless Dragonii knows a better way, he probably does! Tongue)

You could try it without any media inside, but if you feel like it, yeah, just put the sponge in there Tongue And try running it in a bucket or something just for a little while.
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Skwishee
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Re: Tanks for goldfish
« Reply #113 on: October 16, 2011, 08:31:28 AM »

Giving it a good pull with some pliers has done the trick! Hooray!
It is only the fan, that's supposed to come off right? Nothing else?

I also never realised how handy pliers could be till now Wink I'll soak it in some hot water (the filter, not the pliers XD).
Now all I need is a plug....

Also with filters, that SunSun company really gets everywhere Wink Found another one!
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I also found this: (Link is not visible to guests. Please register to view.)

It just seems like it's a really huge internal filter... no idea how one could be that powerful and cheap?

Also what are submersible filters?
« Last Edit: October 16, 2011, 10:33:46 AM by Skwishee » Logged
Nossie
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Re: Tanks for goldfish
« Reply #114 on: October 16, 2011, 11:42:43 AM »

It's usually hollow, and there's that little metal stick inside that will keep it rotating, so yes, just the fan and a sort of... part.. I'll show pictures!
Like so:
[image]


A submersible filter is simply an internal filter that can operate under water Smiley There are also external and hang-on (better "title"?) filters that should be outside the tank or hang on the side Cheesy
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Dragonii
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Re: Tanks for goldfish
« Reply #115 on: October 16, 2011, 08:28:52 PM »

"Also with filters, that SunSun Company really gets everywhere Found another one!"

China, unlike the US, UK and Japan, have not recognized the power of "brand loyalty". They tend to re-label, remarket and re-box products constantly.

Glad you found the pliers, that's what I was going to tell you to do.  Wink

Internal filters are useful for quarantine tanks or if you cannot use any other type of filter due to something like having a tank on a kitchen counter top. Otherwise, the best filters are wet/dry, hang on power filters or canister. Wet/dry works well for very large tanks or salt water reefs where you have to have a lot of equipment like protein skimmers, multiple heaters etc., hang on works well for tanks between 10 - 55 gallons. All things given, canisters are the way to go on anything between 30 - 200 gallons. They are easy to maintain, powerful, effective and quiet. Problem is that they are not all created equal... some suffer from water bypass. That is where the water gets pushed around the filter media instead of through it. Bypass is not an issue with the SunSun, the trays fit so tight that all of the water is forced through the media.

To clean down in the impellor shaft use Q-tips.  For testing it you donít need any media, in fact, you actually donít even need the media basket on it. Just put the impellor in and put the cap back on it. If it doesnít spin when you plug it in give the blades a little tap with a tooth pick to get them going.  Sometimes old impellors need a nudge the first time you get them back running.
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Skwishee
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Re: Tanks for goldfish
« Reply #116 on: October 17, 2011, 03:20:48 AM »

Ah I see! Although I've never seen hang on filters around here that much, or the wet/dry ones you've mentioned.

Yeah I just saw the internal one and thought if I do end up getting an external that's slightly under powered then I'm sure an internal filter that does 1200 L/H for £15 would boost it back up! I'm amazed at how cheap some of these filters are!

Plus if my dads doesn't work, it could always be an option? I mean is it possible for a tank to be filtered too much?
I was merely thinking that the internal combined with an external of 1000 L/H:1400 L/H:2000 L/H would give you a respective 2200 L/H:2600 L/H:3200 L/H.

It would be handy if I ever wanted to up grade the tank in a few years Smiley Out of curiosity what would be the largest tank size for goldfish that 3200 L/H could deal with?

And how do you know if an external filter is suffering from water by pass?

Thanks guys Cheesy I really appreciate all the help you've been giving me Smiley
« Last Edit: October 17, 2011, 03:30:39 AM by Skwishee » Logged
Nossie
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Re: Tanks for goldfish
« Reply #117 on: October 17, 2011, 09:08:06 AM »

There's no way to over-filtrate, not with goldfish Tongue Only problem would be strong currents, (when keeping fancies) but that can easily be fixed by just trying out different angles on the spray bar Smiley

3200L/h would be good filtration for any tank up to maybe 320 liters, not very hard math Wink But as mentioned, it's always good to have a filter that would pump at least 10 times the tank volume per hour.

I honestly don't know what "suffering from water by pass" means? All filters are supposed to pass the water I think? D:
Dragonii can probably help Wink
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Dragonii
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Re: Tanks for goldfish
« Reply #118 on: October 17, 2011, 09:56:19 AM »

This one does 1400/lph, that is enough to run a 378l (100 gallon) tank with no problem. It will turn the tank over 3 times per hour.
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Not all filters that are rated for a high turn over are as effective. Filters like that internal one do not have nearly as much bio mass as something like a canister. They may push a lot of water, but not effectively filter the ammonia out of the water. The reason for this is that there are cases where you want a high current/low bio filtration. Take for example a salt water reef tank. You want a strong current for the coral to replicate the tide action of the ocean, but you don't want a lot of bio filtration mass as it becomes a nitrate factory and will kill your corals. This is also why you should not use canister filter, fluidized beds, or large bio ball beds with a reef tank. Instead they use what is called a protein skimmer. Protein skimmers remove the biological nutrient waste from the water before it has a chance to break down. These only work in salt water tanks as they depend on the heavy density of the salt water to function.
In the case of fresh water you want large amounts of bio media, goldfish, even more. Best filtration for goldfish is a combination of a large bio bed, high volume water circulation and weak current. You want the filter to turn a lot of water per hour, but you don't want the current to be very strong. That internal filter will have a strong current, making it difficult for fancy goldfish to swim. Even the long slender bodied commons will have a harder time fighting a current than most salt water fish will.
This is the reason that hang on power filters and canisters are recommended. They both do a high volume of water circulation and they return the water in a rather gentle fashion. Hang ons however can suffer from that bypass issue. As they get clogged the water just finds a way around the filter media. They are designed that way, it prevents them from burning out. Canisters are closed, pressurized systems, therefore the water is forced through even if the media is getting clogged. You would have to ignore a canister for about two years straight for it to get so clogged that it would shut down.

Testing a canister for bypass issues. Take two large water jugs, fill one with dirty water, have the pump suck the water from jug one and deposit it into jug two. Compare how clean the water in jug two is. If the water in the second jug is not very clean then it is clear that the filter is allowing dirty water to pass by the filtration media.
Other than that... when you have worked with these things for years you get to where you can just tell by messing with them.
Take the Eheim classic for example. It does not use media baskets. The media just goes into an empty can. The media touches the walls on all sides. The water enters the bottom, passes up through the media and out of the top. There is no where for it to go except through the media. Zero bypass.
The SunSun uses baskets, however, the basket fit tight and form a seal, not allowing water to pass through on the sides. Water comes in the top, travels down a shaft passing the UV light and is then pushed up through the media by system pressure. It may have a slight allowance of bypass, but not enough to worry about. You always want to make sure your media is packed tight, if it is loose the water pressure will push up a corner of the filter pad and pass by without being filtered.

Over the years you just get to where you can look at a filter and tell if the design is good or bad. Take the Fluval 5 series (305, 405, etc.)... they are a bad design. The water comes in, travels down the side, passes a vertical filter pad, then travels up through horizontal media. That is too complicated, not practical and allows too much room for error, they are well known for having a bypass issue. To be honest, the old round 3 series that they replaced was a better design.



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Dragonii
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Re: Tanks for goldfish
« Reply #119 on: October 17, 2011, 10:43:56 AM »

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I honestly don't know what "suffering from water by pass" means? All filters are supposed to pass the water I think? D:
Dragonii can probably help Wink

Simplest explanation is this... water that passes through the filter but not through the media on the inside of the filter. It bypasses the media by taking a path of less resistance, i.e. gaps left by loose fitting media baskets

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