PH all over the place

OnlyAftrDrk

Active Member
Hi guys, need some advice!

Growing in CoCo and puting in 5.6 PH'd water no nutes..

after i measure the run off it 6.6 and i cant seem to bring it down no matter how much i flush.... tried 5.0 didnt seem to help much.

my pen was off so yesterdays water was way too much PH.. would that be the reason? should i keep flushing?
 
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