I just made a judgement call and gave these girls 1 tsp of epsom salt added to a good watering cause they needed it (at least the water). I did a runoff test first and came up with very similar results on both plants which have been treated identically since germination. The water going in was PH'd to 6.2 (since I knew the ph has been coming in high) and the very first water to come through the pot came in at an EC of 1.8 and a ph of 6.8.
Both plants are in 7 gallon pots (since 3 weeks before flipping) of FFOF, Char-Grow biochar, and Perlite. They have been fed with Earth Dust Boost and Gaia Green 444 & 284. For a Cal/Mag formula I'm using TPS Cal Mag OAC but once a week instead of every watering as suggested on the bottle. I've supplemented with Recharge, Mammoth P, and occasionally molasses.
They have been flowering under 2 Mars Hydro SP3000's in a 5'x4' tent with ample ventilation.
I top dressed 10 days ago with GG 2-8-4 (1/2 cup per plant) & ED Boost (2 tbsp per plant). I am still new at this and didn't want to overdo it.
I had no electricity on January 3rd & 4th so my house got down to 50° F but there were no real symptoms of stress through that experience.
The only over zealous decision I've made recently is to try adding Armor Si. One gallon at full strength (1 tsp) by itself, split between the 2 plants. That was 9 days ago.
I didn't notice any of this damage when I was cleaning up the canopy last week.
Big Thank You to anyone who read all that lol. I can't seem to make these concise.
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That all makes good sense. Thank you again for your help.