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38 day old lemon auto, this was my prized plant out of my 3 in my first grow, gave zero issues up to this point. Ff trio nutes, 50/50 oceanforest happyfrog mixed soil with 15% perlite in 3.6 gal air pots. Tsw2000 slowly worked up to 18 in from canopy at 65% now. 71-77 degrees 55-62 rh .Been giving ph 6.5 tap water every 3-4 days and recharge once a week all the way up to day 23. Tap water is dechlorinated and doesnt register on my bluelabs Conductivity pen. My other lemon auto which is 2 days younger in the same exact conditions started having a calcium deficiency 3 weeks in which has been corrected so i decided at day 23 to give 1/4 strength calmag (.5 ml) to prevent this in my #1 producer along with 1/8 strength micro (2ml) at ppm level of 221 ph to 6.8. She was happy and started flowering and booming in growth. At day 32 i gave another feeding of 5 cups 6.5 ph | 1/8th strength (.3 ml)calmag| 1/8th strength (2 ml)micro| 1/8th strength (1.25 ml)veg nutes | 1/8th strength (1.25 ml) flower nutes. Didnt see any immediate changes but 2-3 days later i started noticing slight discoloration leaves just at the top of the canopy coinciding with what i think is a magnesium deficiency. All lower growth, even new growth coming out at the bottom isnt showing this discoloration. Day 36 was a recharge watering only at 6.6 ph, 6 cups with a bit over 1 cup of runoff that was 6.2 ph. Just did a Slurry test of soil resulted at 6.3 ph . I get a soil sample and put it between 2 solo cups where i mix in distilled water at 2:1 and 1:1, is this a correct way of testing soil ph? Am i right about the mag deficiency? Is it some sort of light stress? Too many different possibilities...What course of action should i take? Should i just chill the f out? Just trying to get ahead of problems and learn the proper way to do things.









Thanks in advance









