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Author Topic: s15 filter  (Read 746 times)
cambojnr
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s15 filter
« on: May 04, 2012, 03:34:57 PM »

I have a marina s15 filter in my 60 litre tank and was wondering if it matters if th front lip is submerged in water? as I was reading something in my manual today and it say the water level is supposed to be 33 cm which is exactly where my lid covers on the tank and I have filled my tanks to this level now as it used to be at around 26cm, but this mean that a part of the filter where the water comes out is covered as in water is no longer falling its just running in to the water, does this matter for putting air in to the tank? as its still moveing the water, and i am also going to be getting and air pump soon aswell to get more air in to the tank, but was just wondering if it matters that the part where the water falls of is covered affects it? thanks
« Last Edit: May 04, 2012, 06:23:01 PM by cambojnr » Logged
Nossie
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Re: s15 filter
« Reply #1 on: May 05, 2012, 04:42:24 AM »

let it cover, I think that works better anyway for most filters and it makes the surface ripple more.
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cambojnr
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Re: s15 filter
« Reply #2 on: May 05, 2012, 07:31:04 AM »

the water is moving alot more and as you say rippleing alot to, does this let more air in and more bad stuff out? and just need to get my air pump and plants now
« Last Edit: May 05, 2012, 07:42:08 AM by cambojnr » Logged
Skwishee
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Re: s15 filter
« Reply #3 on: May 05, 2012, 08:02:24 AM »

It's the water movement, that encourages gas exchange, including oxygen Smiley
I'm not sure about it letting 'bad stuff' out though.
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cambojnr
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Re: s15 filter
« Reply #4 on: May 05, 2012, 10:04:46 AM »

just remember watching a video that said the bad stuff attatches itself to bubbles and then when the bubble pops at the surface the bad stuff get released in to the atmosphere, just wonder if it works the same, but anyways getting an air pump soon so that produces lots of bubbles, and cause my tank is 60l should I get an air pump that pumps 60l of air and hour our one that pumps more? thanks.
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Nossie
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Re: s15 filter
« Reply #5 on: May 05, 2012, 11:19:32 AM »

That's not quite how it works... if you're worried about "Bad stuff" you should be filtering with activated carbon and exchange that regularly.

Don't bother with an air pump, only thing they do is look pretty Tongue But if you want it to look pretty, go buy one. Strength doesn't matter in such a tiny tank. The one I have is for a 15-60 liter tank and it works fine on my 317L one.
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Skwishee
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Re: s15 filter
« Reply #6 on: May 05, 2012, 11:27:55 AM »

I've never heard that about bubbles before, they certainly aren't necessary pieces of equipment.
A little more info can be found here; (Link is not visible to guests. Please register to view.)

If you could possibly find the video that gave that information, I'd be interested to see it, but I don't believe it's the case in aquariums.

As for how much they pump, they aren't like filters, in that you need them to pump a certain amount of air per hour.
The type of air pump you get, depends on how many ornaments you want to run off of it. For example I have my air pump set up to two air stones, one small one and one medium sized one. Mine can have up to 4 'features' but to be honest the two air stones are enough! Especially as one of them is quite long.
It apparently pumps 210 Litres an hour, but to be honest it might not do that much as I have valves set up to control the air flow.

I have mine purely for decoration and to help with surface agitation as my tank is around 3 foot in length  Smiley
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cambojnr
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Re: s15 filter
« Reply #7 on: May 05, 2012, 11:58:20 AM »

theres the vid
(Link is not visible to guests. Please register to view.) (Link is not visible to guests. Please register to view.) | (Link is not visible to guests. Please register to view.)

and I just want one to put more air in the water and look pretty really.
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Skwishee
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Re: s15 filter
« Reply #8 on: May 05, 2012, 12:18:35 PM »

Well I have never heard of nitrates or pollutants attaching to bubbles before? Intriguing.
I'll see if I can find more information about that Smiley

Thanks for sharing.
« Last Edit: May 05, 2012, 12:45:53 PM by Skwishee » Logged
scrivens345
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Re: s15 filter
« Reply #9 on: May 05, 2012, 04:36:50 PM »

I suppose it's possible by hydrogen bonding; I'd have to see an academic paper on the subject to be convinced
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Skwishee
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Re: s15 filter
« Reply #10 on: May 06, 2012, 06:32:58 AM »

Hey guys, I did a little digging with the help of my other half and what the man in the video says, isn't possible.
I've asked on another fish forum and they too, said similar things.

My other half, submitted my question on an Ask Science website, where they said it wasn't possible and explained in detail why;
(Link is not visible to guests. Please register to view.)

The forum where I asked, I've also linked, so you can see the thread and responses;
(Link is not visible to guests. Please register to view.)

The only way I believe an air pump can help the de-nitrification process, is due to the bacteria that do this are aerobic. We already know that air pumps increase surface agitation, in turn encouraging gas exchange at the surface including oxygen. So as they help to increase oxygen within the water, this would help the bacteria.

So air pumps can help with the de-nitrification process, but not as the man in the video states.

 Smiley
« Last Edit: May 06, 2012, 06:35:36 AM by Skwishee » Logged
Nossie
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Re: s15 filter
« Reply #11 on: May 06, 2012, 07:37:12 AM »

Heh, as already stated, it doesn't work that way Wink Thanks for clearing up the reasons why, Skwishee Smiley *karma*

In any case, an air stone might actually be useful in your tank, cambojnr, because it's so small and you have so many fish. Any and every little help to surface agitation is welcome.
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cambojnr
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Re: s15 filter
« Reply #12 on: May 06, 2012, 11:21:36 AM »

cool, lots of helpful info, so with the air pump cause I'am going to be getting plants soon, and I know plants absorb co2 during the day and o2 by night, so does this mean I should only really have the air pump on at night as this defeats one of the purposes of me getting on which Is that I would like to see the display?
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Skwishee
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Re: s15 filter
« Reply #13 on: May 06, 2012, 01:26:14 PM »

To be honest I just have mine on all the time Cheesy

Looks pretty during the day and helps out with surface agitation and I suppose it must help at night to some degree, as I have some elodea in my tank Smiley
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Nossie
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Re: s15 filter
« Reply #14 on: May 06, 2012, 03:45:17 PM »

You should always have filters and air pumps on, only thing you should be turning on and off is the tank lights, to create a natural 10-12 hour day-time cycle for the fish.
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cambojnr
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Re: s15 filter
« Reply #15 on: May 06, 2012, 04:07:57 PM »

I always leave my filter running 24/7 and I have the light on from 10am till 10pm, and thanks for the info on air pumps again thanks.
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Nossie
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Re: s15 filter
« Reply #16 on: May 07, 2012, 03:02:16 AM »

Np... Grin
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