The Planted Tank Forum - View Single Post - I know i know the dreaded "what substrate" to use Thread
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post #9 of (permalink) Old 02-26-2007, 04:10 AM
Rex Grigg
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Just make sure to add a layer of peat moss under that SMS. And if you want 240 ounces of laterite would not hurt either.

I would mix the SMS with some similarly size coarse sand for a bit more "holding" power.
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