thanks rusty, i think i have cracked it(fingers crossed) i added some h2o2 today adjusted ph 30 mins later and it has remained stable since.i think i will run it daily then flush and go back to basics and see what happens.:hippy:
johnny123 Reviewed by johnny123 on . PH down= phosphorus toxicity? Im trying to figure out a leaf curl problem and talking to my guy at the hydro store we were going over some possibilities and he mentioned something about adding phosphoric acid may lead to too much phosphorus in the solution anyboby hear of this?:hippy: Rating: 5