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Old 11-09-2011, 11:42 AM   #1
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Fluval FX5 with sand...impeller veresus sand?

I have a Fluval FX5 in a 155g bowfront tank with a sand substrate.
I chose #20 grain (larger) over #30 grain (smaller) to help minimize "sandstorms."
I positioned the intake about 5" above the substrate (3" is the recommended minimum).

Question: is anyone using a screen over the intake to protect the impeller from sand?
If so, what are you using and is it working?


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Old 11-09-2011, 11:56 AM   #2
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I cut the intake pipe down a lot so that it is closer to the top of the tank than the bottom. With this setup the only problems I have had are when cichlids decide it is fun to spit sand directly into the intake. Anything that will keep sand out will clog up like crazy.

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Old 11-09-2011, 01:22 PM   #3
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I use the Penguin powerhead reverse-flow replacement sponges on my filter intakes to keep sand and plants out. Not sure how well that would fit over the FX5 intake tube, but alternatively you could use an aquaclear foam block. Just cut one end enough for the intake tube to go about halfway down into the sponge.
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Old 11-09-2011, 05:49 PM   #4
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ive got my fx5 intake touching the sand bottom in my 125 cichlid tank. no problems.
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fluval, fluval fx5, fx5, impeller, sand, val

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