Saggy yellow leaves

Hey guys my plants in the past three days are looking really bad. I haven’t over watered at all and test soil before I give them any water. I’ve only used cal mag in RO water ph to 5.8 - 6.2. They look like they are dying and have purple steams on some. Does anyone have any ideas to fixing this situation. Is my ph meter off? I raised plants off ground to stop root shock if temps drop at night

Leter rip tatterchip said:

Hey guys my plants in the past three days are looking really bad. I haven’t over watered at all and test soil before I give them any water. I’ve only used cal mag in RO water ph to 5.8 - 6.2. They look like they are dying and have purple steams on some. Does anyone have any ideas to fixing this situation. Is my ph meter off? I raised plants off ground to stop root shock if temps drop at night

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Test the runoff water with pH drops. RO water is rather unstable in pH because it is stripped of Calcium and mineral deposits. My guess with the limited info on what you are using for soil medium, is that your soil has soured and that the runoff will be rather low. The acidic soil and possibly too cool of Soil temperature are a very typical compound problem. Especially when using led lighting. Try either using a slightly higher pH water source 6.2-6.8 for soil ( you can usually achieve this with tap that initially reads high and adding just a dash of nutrient to get the pH dialed. If your runoff is very sour (acidic) then a different more stable soil mix like HP Pro mix or neutral Coco Coir should be used or at least added to your mix to level out pH

I’m using Mother Earth coco and perlite