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Hi, I have 12 plants in coco, autopots with air domes. Running canna nutrients. 3rd week of flower. Ec 1.85, ph 5.9. they are in the 150x150 tent. Under 660w 6 bar style led kept 60 cm above the canopy. I kept it lower for a few days but the light level never exceeded 900 ppfd anywhere and the...

Hi! I've read that cannabis grows best with 50-75ppm of magnesium in water. I realized my water has only 6ppm, most brands have these amounts only in very high ec levels. Do you guys suplement with pure magnesium/epsom salt all the time or only when deficiency is showing? That's the article...

Hi, I managed to buy 6 of these COBs. Citizen horticultural LED. Plant RB version 200w. which is supposed to be best for plants. There is also a plant white version which suppose to be used above workstations for people to have better comfort and ease of plant diagnosis. Anyone has any...