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I asked about dosing K2SO4...
Tom Barr replies:
> Try a gardening supply place. Green All's Sulfur of Potash. It looks like
> grey gravel. Cost about 4.99$ for a lifetime supply. K+ won't solve GW BTW.
> It has little if any effect. It will help your plants though!
Thanks for the info. My thinking on this is not to just blindly dose K2SO4
and hope my problems will be solved, but rather, I believe that my system
may be Potassium limited, the plants aren't getting enough, thus the green
water. Does this sound reasonable or am I deluding myself?
Colorado Springs, CO