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10-12-2007, 07:26 PM #13
Senior Member
rockwool or other?
hbbusa, the PH of the rockwool shifts around... does this change the reservoir PH? or what do you mean... How can you test the PH of the rockwool itself.. forgive my newbie question

what do you mean measure the run-off?http://boards.cannabis.com/hydroponi...kets-grow.html
hempy buckets grow log
http://boards.cannabis.com/hydroponi...ml#post1770123
recirculating DWC grow log (*harvested*)
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