Reusing sand from another tank ... good idea or bad idea? - The Planted Tank Forum
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post #1 of 2 (permalink) Old 07-14-2017, 08:50 PM Thread Starter
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Reusing sand from another tank ... good idea or bad idea?

Hi All,

I recently had a fairly major tank failure in my 46g planted tank. the tank was about 15 years old and I used pool filter sand as the substrate. When I drained the tank, I put all of the sand in a plastic container with a lid. The sand is still damp and has been stored for about 5 days now.

I would like to simply transfer this sand to a new tank so I can quickly get the new tank online and transfer the fish and plants back in. Do you think the substrate will have become too toxic in this time period? I could always just go buy new sand, but that is going to be somewhat messy and increase my turnaround time. One concern is that I had a large number of MTS in there as well and I'm not sure if they will have been able to survive this or if they are simply rotting away.

Thanks in advance.
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post #2 of 2 (permalink) Old 07-14-2017, 09:17 PM
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I would think it okay. I don't see why it would be toxic. If you are worried about gas buildup from decomposing organic matter you could put it in the tank with just water and sift it around so the gas leaves and you can siphon out dirt/cloudiness etc. Or you could put it outside for a few days and let it dry out in the sun.
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