0 votes
736 views
and do I need to always check ppm like pH? does ppm even matter in coco coir?
  • Dennis K asked 1 year ago
  • last active 1 year ago
0 votes
573 views
What is pH and why does it mean so much in hydroponic cultivation of crops like marijuana?
  • Kristoff Roberts asked 1 year ago
  • last active 1 year ago
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