I'm running a white widow auto in a space tote. Soil mix with perlite. Thought the soil had nutrients and didn't amend soil at first so I wound up top dressing about a week after sprout with dr earth veg and all purpose. Led lighting with exhaust fan and intake fan. Still not sure if the yellowing on the leaves is nuts burn. It was started on April 1st. If it is nute burn im afraid to add dr earth bloom because it has nitrogen in it as well and don't want to make it worse. Ph water to 6.5. Temps around 78 and rh 55
Should I top dress with bloom fertilizer?
- Thread starter Say-yon
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PadawanWarrior
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Pics help.
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PadawanWarrior
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What kinda soil are you using? Also what is your water source and pH of it before you adjust it? It looks like a pH issue kinda.
Its mg organic (I know its not good) it actually does have a bit of nutes but not much because I tried the same auto before this one and it only grew about 5 inches in a month with no added nutes (that was my first grow and my second and third grow are whats in there now). I use tap water that is about 7.2 and ph it down to 6.5 with hydroponics ph down. It may well have been a ph issue originally about 10 days ago but have been steady with 6.5 since than.
PadawanWarrior
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What pH were you feeding before?
PadawanWarrior
Well-Known Member
OK, just give it plain 7.2 tap water for awhile and see how it responds. I have a feeling your soil pH is a little low.
PadawanWarrior
Well-Known Member
It would be better to do plain 7.2 water a couple times first, but you could add a little since it's a slow release fert, but don't overdo it. Then just give plain 7.2 water for a couple feedings and see how it responds. You could check the soil runoff to get an idea of the soil pH, but it's not really an accurate way to check it. It can give you an idea, but it can also be a little deceiving.