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post #21 of 41 Old 04-07-2011, 06:08 PM
Just so you know carbon last a couple of days and then is use less. Its use is to remove medication or other things after adding the to your wtaer.

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post #22 of 41 Old 04-07-2011, 10:33 PM Thread Starter
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Just so you know carbon last a couple of days and then is use less. Its use is to remove medication or other things after adding the to your wtaer.
Hey Chris,
The cartridge filter is intended for mechanical filtration and ease of use. The fact that is has some carbon inside is, well, just the way it comes. I'm not using it because of it, more like in spite of it.
I think our regular partial water changes somewhat negates the practical use of carbon...but activated carbon has been an important 'ingredient' in aquarium filters for, well, forever. Carbon does have the ability to absorb toxins and some claim it remains 'in play' for up to a month to 'polish' the water.
Ever wonder if we used carbon and we had nitrate filters how often we'd need to do water changes?
if we could only invent the auto gravel cleaner.
I wonder if this really works... Home page - 3M Aqua-Pure These folks say if you use this, you do a partial water change like once every 3 months.
And then I was thinking, what about an aquarium where you press a button and 20% of the water is automatically drained and then refilled with pre-heated water ....hmmm.

Okay, so this evening I shutdown the AquaClear 70 and wrapped the inlet tube with nylon stocking to prevent solids from entering. I removed the filter media. It appears there is some activity in the sponge already with a slight discoloration. I added another AquaClear sponge above the existing one. On top of that is the mesh bag of bio-ceramic and above that is the sack with gravel from the 10g (I think eventually the gravel will be replaced with additional ceramic material).
I extended the inlet tube on the AquaTech 5-15 to get it lower in the tank.

Last edited by AbbeysDad; 04-07-2011 at 10:35 PM.
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post #23 of 41 Old 04-08-2011, 03:17 PM
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Hi AbbeysDad,
I understand your concept of using the AC70 for bio only and the Aqua-Tech for mechanical filtration but I think you'll find the Aqua-Tech 5-15 woefully inadequate. You may find that your water won't be as clear and free of floating debris as you'd like. The filter itself is just physically too small to handle that volume of water and may become clogged very quickly. I would suggest looking at something like the Whisper 60 which is basically like the Penguin 350 without the bio-wheels. It has dual compartments and a flow control so you can slow down the flow of water if you want (the flow control is handy at feeding time too). Each compartment has 2 slots for cartridges so a total of 4 cartridges could be run if you wanted. On my Whisper 60 I use a Biobag in each side along with a foam sponge. What's nice is you can buy the Economy Bio-bag package which comes "unassembled" with the carbon separate so you can leave it out if you desire. I run mine without carbon (strictly mechanical filtration) and rinse them in used tank water at each weekly water change (I alternate sides each week). They get replaced after about every 6-7 rinses or so. I have plenty of carbon packets available for the times when I do need to run carbon. The sponges never get replaced (as they don't break down like the fiber on the Biobags do), simply rinsed in used tank water when needed. I use the Filstar fine (30ppi) foam sponges (normally used on the XP cannisters). They fit right into the Whisper slots with minimal trimming needed if I remember right (I haven't had to replace them since I initially bought them over 3 yeas ago). This setup is on one of my 55 gallon tanks and is run along with a Penguin 350 which handles the majority of the bio filtration.

Anyway, just thought I'd throw that suggestion out there for you to consider.

150 Gallon - Mostly American Cichlids
135 Gallon - Angelfish Community
75 Gallon - Odd couple (Polleni/Angelfish)
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post #24 of 41 Old 04-08-2011, 03:45 PM Thread Starter
Jeaninel,

Thanks for the tip.

I may need to upgrade, or convert the AC70 back to combo mechanical/bio....but right now, adding the AT 5-15, in conjunction with the AC70 on 'low' moves a bit too much water in the tank I think!

In another thread I discussed that we've been conditioned to think we need to move more water, faster through filters in order to keep it clean. I notice in my pool (sand filter) for instance that as the sand traps more and more particulate, the water flow reduces and the filtration is much better. Yes, eventually a backflush is required and the process repeats.

We don't need to move more water quicker, we can move less water through the filter media and clean it better.

Anyway, the beauty of all of this is nothing is permanent and things can be quickly changed.
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post #25 of 41 Old 04-08-2011, 03:58 PM
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My intent on suggesting the larger filter wasn't to produce more flow (hence the flow control on the Whisper 60). I understand that we don't have to produce a fast flow to filter better (similar concept is used in UV sterilizers where a slower flow is needed to produce better results). I simply think the physical size of the Aqua-Tech 5-15 is too small for the water volume of a 60 gallon tank. It won't be able to keep up with the volume of the tank. The larger filter will have much more "polishing pad" area in it to clean the water better, if you get my drift.

150 Gallon - Mostly American Cichlids
135 Gallon - Angelfish Community
75 Gallon - Odd couple (Polleni/Angelfish)
55 Gallon - African tank
20 Gallon Long - QT
10 Gallon - Empty
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post #26 of 41 Old 04-08-2011, 06:52 PM Thread Starter
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My intent on suggesting the larger filter wasn't to produce more flow (hence the flow control on the Whisper 60). I understand that we don't have to produce a fast flow to filter better (similar concept is used in UV sterilizers where a slower flow is needed to produce better results). I simply think the physical size of the Aqua-Tech 5-15 is too small for the water volume of a 60 gallon tank. It won't be able to keep up with the volume of the tank. The larger filter will have much more "polishing pad" area in it to clean the water better, if you get my drift.
Hmm...You have to ask, do I really need two filters, each rated to handle 60+ gallons?
That kinda puts it over the top and not so cost effective I think.
Not to say I might not do it - I need to get a feel for water quality as it is now, then decide if I need another bigger filter or change the configuration.
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post #27 of 41 Old 04-08-2011, 07:11 PM
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Why not just convert the AC70 back to handle both bio and mechanical? There's enough space in the filter to allow for both. You can leave the little filter running too just for good measure. As long as your fish load isn't real heavy with big, messy fish that should be fine. Ultimately, it's your tank and you have the best feel for what works right for you and your tank.

150 Gallon - Mostly American Cichlids
135 Gallon - Angelfish Community
75 Gallon - Odd couple (Polleni/Angelfish)
55 Gallon - African tank
20 Gallon Long - QT
10 Gallon - Empty
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post #28 of 41 Old 04-08-2011, 11:47 PM
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We went to the shop to buy some sheets for the bed on boxing day (2010, 3months ago) and saw a new pet shop and 30min later we walked out with a 65lt tank and now 3 MONTHS later we have a 65lt, a 140ltr, a 160 ltr and a 200ltr with a combined population of 3pearl and 3 blue gouramis, 4 clown loach 10 rasbors, 10 neon tetras 4 bristle nose cats, 3 corys 3 dainos 3red coral platties with 10 baby platties!!!! need less to say we are still looking for some sheets lol,
ps I'm not alowd to go out by myself any more hahaha
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post #29 of 41 Old 04-09-2011, 12:02 AM Thread Starter
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We went to the shop to buy some sheets for the bed on boxing day (2010, 3months ago) and saw a new pet shop and 30min later we walked out with a 65lt tank and now 3 MONTHS later we have a 65lt, a 140ltr, a 160 ltr and a 200ltr with a combined population of 3pearl and 3 blue gouramis, 4 clown loach 10 rasbors, 10 neon tetras 4 bristle nose cats, 3 corys 3 dainos 3red coral platties with 10 baby platties!!!! need less to say we are still looking for some sheets lol,
ps I'm not alowd to go out by myself any more hahaha
You mean you still have room for the bed!?
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post #30 of 41 Old 04-09-2011, 12:41 AM
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I am replacing the bed with this, and I should fit nicely, a 200g complete setup for $500, but it would need to go in front of the TV!
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