Multiple tanks and 1 filter??? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 01-25-2012, 05:15 AM Thread Starter
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Multiple tanks and 1 filter???

I have a plan to have 3 of 10G setup. Instead of using 3 filters, may be there is a way to just use only 1 for all three. Any DIY for this?


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post #2 of 4 (permalink) Old 01-25-2012, 06:06 AM
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Depends on what these tank going to end up as.
If it just breeder tank I would say sponge filter with a powerful enough air pump.
You can build a wet/dry sump using pvc.
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post #3 of 4 (permalink) Old 01-25-2012, 11:26 AM
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Another thing to consider when using one filter for multiple tanks is that if you have an Ich breakout (or any other disease) in one tank, the chance of it ending up in the other two tanks is very good.

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post #4 of 4 (permalink) Old 01-25-2012, 04:22 PM
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It can be done with multiple syphons and such, but you have to do it right to prevent it if one gets plugged up, it doesn't flood the rest, and as stated, disease outbreaks are another problem that can happen and affect all your tanks.

I have a 20L and at one point, I was trying to keep 3 kinds of shrimp in it, so I got the plastic dividers to keep them apart and had 1 canister filter on it. The problem I found is that with the intake in 1 section (or tank in your case) its only pulling mulm and debris from that section and not the rest. The furthest section got no suction and it ended up getting bacterial infections, etc. If you're keeping something like shrimp or using them as breeding/holding tank, sponge filters work great. Cheap HOB filters work as well and prevent all the problems I listed above.

20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.

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