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co2

  1. G

    Precision Irrigation - learn to crawl before you walk

    Heyho Friends! Long time Lurker here! Learned a lot about hydroponics and sealed rooms here and on the archived overgrow. About 6 years ago i took the leap and went from growing in tents to closed environment myself. I had a little opticlimate 3500, a few cmh lamps and boy; was it a...
  2. LostINgreen

    need an experienced advice. 600w hps expanding.MORE CO2 NEEDED?

    Hello guys&gals. Currently growing photoperiod Gorilla, day #46, VEG. Store soil. Now using 250w MH, in a month will switch to flowering and 600w GIB advanced HPS with 92000 lumens output. 1m×1m grow tent. The main question is: should I buy those CO2 indoor cans or sacks so plants will be able...

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