Yozhik
INTJ & Non-Violent Domestic Extremist
Hey yoz what pH down do you use my tap water has a ec of 0.2 when I add pH down it stays the same and also consider halving all your nutes including additives I use big bud but only at 1 ml per ltr the same with overdrive I've used the pH perfect base nutes but never more than 2 ml per ltr some on 1.5 ml per ltr the whole grow hope you get it sorted [emoji106]
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Yeah. It's all good mate.
That reading of EC 1.9 must have been an anomaly.
I recalibrated, cleaned and remeasured and it came out at EC 0.5, which is what it is out of the tap.