B
borntaskate
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Only time I get leafs like in the second pic from the bottom is when I do a water change (DWC) and my PH goes tits up.
Unless that second result sheet was after mixing nutes. If that’s the case your water results look ok for that sample. I say “that sample” because water testing results can fluctuate throughout the year depending on weather, source water changes, and level of treatment. With an operation like yours I don’t think I would want that kind of uncertainty. I vote just stick with RO.
Have you tried upping the iron by 1-2 PPM? Mag drive pumps and Iron being immobile. Why I'm at 2 PPM now.
I'm pretty close to what you are running in Hugo's. I'm also on Tap and it is very close to yours. Also remember the 20-30 ppm of P from PH down. Na is always a gamble in tap. Mine averages about 18-20 ppm. My Cl though is low around 4-6 ppm. That is where feed times will have to be spot on vs RO and issues will pop up. Even then if it fluctuates in the base water (prob does) that can cause issues. How stable is your PH in the Rez or are you dosing? Mine is set and forget for 7 days and doesnt move. If using rez's and it's not staying stable that's a warning sign if your aren't recircing.
Me personally I never really liked stacking rockwool and always had issues like that when doing it. Why i like to use 6in or even 8in (if i was growing bigger plants) vs slabs. Just way easier to control and not dealing with dry spots ect.
Have you tried upping the iron by 1-2 PPM? Mag drive pumps and Iron being immobile. Why I'm at 2 PPM now.
Doing some reading about iron and seeing it can effect Ca and Mag thinking maybe i should bump it up that 1-2 ppm. I supplement with jacks most so ill probably add some that way. And see if it helps. If i just wanted to add iron without using most which iron supplement would be best? Iron edta? Im not at a computer ill have to do some research this evening. I post some pictures i snapped lastnight too this evening.
This is a good read on it
K number seems a little high for coco coir.
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