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Tub #1 has the larger roots
tub#2 has the smaller roots

I took the ones (tub#2) with smaller roots and switched to my tap water which I will be using from now on. after two days of the tap water sitting out the ppms were at 100. I put 80ppms of grow and 30 ppms of cal-mag. I will go no further then 30 ppms of cal-mag for the rest of the veg just to be safe and see if its okay with the tap water. I will be switching the big one (tub#1)
in 3 days to tap water. I will also be nixing the ppms of the tap water. so I will always be subtracting 100 ppms from the total of the ppm meter.

tub #1 .........160 ppm 100 grow 60 cal-mag
Tub#2..........110 ppm 80 grow 30 cal-mag

both tubs have a few mls per gallon of liquid karma and 10 ml/gal of hydroguard