The Planted Tank Forum - View Single Post - Using Oil-Dri for cheap substrate?
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post #47 of (permalink) Old 09-30-2012, 04:46 PM
Seattle_Aquarist
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Join Date: Jun 2008
Location: Seattle, WA
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Hi celaeno,

No, any residue is not harmful to fish.

STS in a 10 gallon

Roy
75 Gallon, 2X55W AH Supply CF 8800K, 1XFluval F&P 2.0 48"/59W, 2X Marineland 350 Magnum filters; 45 Gallon Tall, 96Watt AH Supply CF 6700K, 1X Marineland 350 Magnum filter; 30 Gallon Long; Fluval F&P 2.0 36"/46W, Marineland C-220 filter; 20 Gallon, 1X26W AH Supply LED kit, Marineland C-160 filter; all with Press. CO2 and (Calcined) Montmorillonite Clay
Greater Seattle Aquarium Society (GSAS)

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