1 vote
309 views
In an online store I have seen that Emerald Harvest also produces a pH up&down. As I can̵...
  • Oliver Stadler asked 9 months ago
  • last active 9 months ago
0 votes
1k views
and do I need to always check ppm like pH? does ppm even matter in coco coir?
  • Dennis K asked 2 years ago
  • last active 2 years ago
0 votes
838 views
What is pH and why does it mean so much in hydroponic cultivation of crops like marijuana?
  • Kristoff Roberts asked 2 years ago
  • last active 2 years ago
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