Thread: Cleaning grow rocks
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  #8  
Old 12-06-2009, 07:59 PM
txice txice is offline
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Join Date: Nov 2009
Location: Houston, TX
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Quote:
Originally Posted by GGM View Post
wouldn't a weak acid remove it? maybe drop a few clay pallets in a bowl of vinegar and see what happens.
Probably a good bet. Looking at the data sheet for FloraKleen it has a pH of 4.0, so it's fairly acidic anyways.
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