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Old 01-04-2011, 08:36 PM   #4
Jackal's Avatar
Join Date: Mar 2002
Posts: 698

use vinegar canot substain.

use peat instead and buy a few packs depend on tank size.

sometime for maintenance or washing media i may use the ocean free " Pure Liquid" to activate the bacteria. Once working it may drop for PH for my case or stablise.
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