The Planted Tank Forum - View Single Post - Can't decide which substrate!
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post #14 of (permalink) Old 01-20-2013, 03:21 AM
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Join Date: Dec 2005
Location: Sacramento, CA
Posts: 19,680
You can put mineralized topsoil under the back half or more of the tank, to raise the substrate level. I did that twicee and had no problems at all with it. You could also use pool filter sand in place of the topsoil, but the sand grains, being bigger than the Flourite sand grains, will end up on top enough to spoil the looks.

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