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Darrin
07/18/2009, 09:01 PM
ok... i hAve a 300 gallon system... and about 250 lbs of rockk... how do i figure dosing?

thanks

d
damac20
07/19/2009, 05:49 AM
http://www.reefkeeping.com/issues/2008-08/nftt/index.php