How to keep sand out of an HOB - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 09-14-2012, 08:43 PM Thread Starter
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How to keep sand out of an HOB

This weekend I'm switching my 55 gal goldfish tank over to sand. (Haha another sand convert). I've never had problems with my 29 gal sand bottom because the fish don't kick up sand. Goldfish do. They are always rooting through it. And I foresee sand in my filters as a major problem.

I know getting a canister is the best option, but I just don't have the money for a good one right now. If I'm going to invest in something like that, I want it to be something I can rely on for years.

So what other things can I do to prevent my HOB filters from eating sand? The sand is sugar grain-sized.


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post #2 of 3 Old 09-14-2012, 09:05 PM
Canister impellers won't like sand either! Just keep the inlet tube at least 4" off the bottom and you should be fine. If your fish throw it any higher than that, the sand will likely be on the floor!!!

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post #3 of 3 Old 09-14-2012, 09:10 PM
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I have a crayfish that LOVES to kick up sand, he's on his 3rd filter already, the stinker.

I use a prefilter sponge on my intake, it seems to help. The current filter has outlasted all the others so far that didnt have them.

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