Cheaper than crushed coral for buffering malawi tank...?

echoofformless

Peat Advocate & Defender Of Snails
Oct 1, 2005
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Phil Uh Del Feeya
www.myspace.com
I don't want to shell out the bucks for this stuff. Is there an easier, better, cheaper source for it, or a different method of buffering the water?
 
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