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Author Topic: Replacing Filters  (Read 673 times)
walk23
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Replacing Filters
« on: December 31, 2011, 08:22:09 PM »

I just added a canister filter on my 75 g to replace a HOB power filter and am running it to test it and needed info on how long should I run both before taking off the HOB.  There is other filtration going with another filter also, BUT I know it takes time for bacterial to colonize in the new filter. Anyone have an idea as to time how long ?
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Nossie
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Re: Replacing Filters
« Reply #1 on: January 01, 2012, 08:03:38 AM »

I'd say a month to be safe Smiley
Cycling takes pretty long, but should go much faster while cycling just a filter, so a month or so should be enough.
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walk23
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Re: Replacing Filters
« Reply #2 on: January 01, 2012, 09:21:22 AM »

Thank you for the quick reply. I had no feel as to how long it would take to colonize bacteria in a new filter.
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Nossie
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Re: Replacing Filters
« Reply #3 on: January 01, 2012, 01:01:00 PM »

No problem! Smiley
I usually add a carbon pad to any new filter as well, just in case there are chemicals stuck in the new filter media or something Smiley
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walk23
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Re: Replacing Filters
« Reply #4 on: January 01, 2012, 01:16:04 PM »

It's the SunSun 303 B , the same as Aqua Top rated at 375g/hr. I loaded it with extra pads, lava rock, and c nodes with a fine pad before the pump outlet. It's been going for about 12 hrs and seems to be doing fine. Came with a UV that I am planning to run 1 hr/week. I t has a spray bar which is new to me but puts out  good water movement. I saw it on U Tube and wanted to give it a try. It's my second canister, had a Marineland C-160 on a 29/g.  The second unit is a Fluval C4 which I really like. Will take the Emperior 400 out of service and store it. Probably needed a new impeller as water flow had slowed quite a bit.
« Last Edit: January 01, 2012, 01:36:15 PM by walk23 » Logged
Nossie
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Re: Replacing Filters
« Reply #5 on: January 01, 2012, 04:53:37 PM »

Great! I was going to get one of those myself at one point, they're really good filters Smiley
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Skwishee
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Re: Replacing Filters
« Reply #6 on: January 01, 2012, 07:48:50 PM »

You could also put the media from the HOB filter into the external canister, to help with cycling, if you wanted to use one and not the other.
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walk23
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Re: Replacing Filters
« Reply #7 on: January 01, 2012, 08:19:12 PM »

I have a HOB that I will still be using  and had no idea that the new canister would need to run for awhile. I knew I would lose some bio activity  but wasn't sure how long it would take to have the bacteria colonize within the canister which should have far greater  capacity. I should have moved the C nodes from the Emperior.
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Skwishee
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Re: Replacing Filters
« Reply #8 on: January 02, 2012, 06:21:25 AM »

Ah I see fair enough  Grin Good luck with the bacteria colonizing!
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walk23
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Re: Replacing Filters
« Reply #9 on: January 02, 2012, 07:03:41 PM »

My new canister filter is working like a charm. Ran the UV for an hour and removed/clean/and replaced the Emperor 400 and saw a big improvement in water flow. Reused old media and will wait a couple of weeks before making it my spare as the canister filter colonizes the good bacteria. As a side note I wonder whether the gunk and snails had much to do why my nitrates stayed above 20 on the last w/c.
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Nossie
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Re: Replacing Filters
« Reply #10 on: January 03, 2012, 06:20:56 AM »

Gunk usually does, not the snails so much, though Smiley
You just need to rinse the filter media out once a month or so, to make sure you don't have a build-up of waste in the filters themselves!
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