Pool filter sand - still cloudy - The Planted Tank Forum
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post #1 of 6 (permalink) Old 05-06-2012, 03:15 AM Thread Starter
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Pool filter sand - still cloudy

I recently put in some pool filter sand in my ADA 120P(didnt rinse it) and after 3 days it is still quite cloudy. Any ideas? should i drain it and fill it back up?

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post #2 of 6 (permalink) Old 05-06-2012, 04:50 AM
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Pool filter sand is a lot cleaner than many other substrates, but is not dust free.
I would do this:

Rinse it in the tank.

Do a water change where you deliberately stir the sand as much as you can to keep on removing more and more of the dust. You might fill and empty several times, or run a constant in/constant out set up.
Finally, drain the water below the level of the sand.

Create hills and valleys, add driftwood, rocks, ceramic mer-people, then plant (misting the plants).

Put a plate or plastic bag over the substrate and fill, running the water in slowly over the plate. 1 gallon per minute max. The water will seep into the substrate with very little clouding.

For a larger tank, once the water gets fairly deep you can fill faster, but angle the hose across the top of the water, do not allow the water flow to gouge into the sand.

There will be a slight haze to the water, but nowhere near as much as to call it cloudy. In my set ups this is mostly gone in a few hours, and really clear overnight.

Add fine filter floss, polyester batting or similar to the filter. You might have to clean it in a day or 2 (once it has trapped most of the finer material that is suspended in the water), but this material is reusable several times.
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post #3 of 6 (permalink) Old 05-06-2012, 05:19 AM
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It took my tank a long time to settle into staying clear after having added a play sand substrate. It didn't seem to bother my inhabitants, but it made the tank look a bit ugly for a while. I deliberately stirred everything up each time I drained the tank and with time it seemed to work. It took ~10 50% water changes for it to really settle down.
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post #4 of 6 (permalink) Old 05-06-2012, 05:59 AM
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Get some purigen, it will clear it right up.

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post #5 of 6 (permalink) Old 05-06-2012, 02:20 PM
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Stuff your filter with Poly-fil. Rinse it out from time to time. Be clear before you know it.
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post #6 of 6 (permalink) Old 05-08-2012, 01:51 AM
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What I did with mine when I first set it up. I didn't wash it but I did take my hand and while the python was draining it on the other side of the tank I would be picking it up and dropping it, and stirring it up on the other side. It was quite effective. After the tank was empty while it filled up I would clean the filter floss out. I did this maybe 10-15 times back to back.
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