Hard water growing question

blissfarmer

New Member
Howdy y'all.
New here but not a noob. I've got a question for anyone here familiar with growing in hard groundwater. I have my groundwater filtered down to .5 micron, and though the pH is in the high 7's when I add my nutrients the pH goes down to 6.5 or 6.4 and stays there (no rebound over 24 hrs). The question; does the pH stability imply that there are no excessive amounts of minerals left in the water that could hurt my girlies? This is my first organic grow after many relatively successful years using mineral fertilizer, and things haven't quite gone according to plan (the plan being grow awesome organic weed and be happy) and the girls are in a sad state. I'm just trying to understand the variables I am working with so that I can figure out what the hell is going on.
Thanx in advance for any assistance rendered.
 
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