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Thread: Using Oil-Dri for cheap substrate?

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09-30-2012, 04:46 PM	#47
Seattle_Aquarist Planted Tank Guru (View User Tanks) PTrader: (25/100%) Join Date: Jun 2008 Location: Seattle, WA Posts: 2,027	Hi celaeno, No, any residue is not harmful to fish. STS in a 10 gallon __________________ *Roy* 45 Gallon Tall; 96 Watt AH Supply CF; 6700K; & 30 Gallon Long; 2X36 Watt AH Supply CF; Press. CO2; UGF; Heat Treated Montmorillonite Clay Greater Seattle Aquarium Society (GSAS)