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The pH of the media was 7.8 after 4 weeks of veg. I was able to reduce it to 5.7-6.4pH and keep it in the safe zone. How? By using a shit ton of citric acid and water. pH the water to 3.0. This takes about 15g-20g of citric acid per gallon with average tap water. The first flush was a big...

Can anyone verify or debunk my result? 1M H2SO4 weight is 98.078 g / l or 0.09878 g / ml Then I used hydrobuddy to get 7.156ppm of S from 1ml of 1M sulfuric acid per gallon of water. I typically use about 5ml / gal. So the acid is giving me about 35ppm of S while I pH down?

I'm looking for a Grape strain that is not a couch locker. Doesn't matter if the genetics lean Indica or Sativa as long as it's got the fire! Daytime grape strain. I'm growing Mass Medical - Grape Pupil V2 pretty soon. Sounds like it fits the description. Other than that, my seed...

Study is here: https://www.frontiersin.org/articles/10.3389/fpls.2021.797425/full According to science and math via meta analysis. 42 days is the answer. Six weeks.

This is for the purpose of reducing media pH which has risen too high late in the grow. It appears to be working. It feels so naughty feeding at 4.0-4.5 pH. Anyone else try this?