PPM is around 1020. This isn't my first grow. . .Just first time seeing these symptoms.
What ended up happening is I adjusted pH again and waited two days. The black tips faded on two of three showing the signs and the plants look fine. Just a little interveinal chlorosis lingering.On the...
Just moved my juvies from under a fluorescent in small soil pots into my bucket hydro constant drip system under a 600W MH. Lights are on for 18 off for 6. I have a 6" fan pulling air through the enclosed reflector 24/7 to eliminate humidity effects and maintain temperature. The strain is Mango...
I had the same necrosis spots attacking my leaves. I freaked and thought I had a sap-sucking pest. After looking into it more I discovered this is a pretty standard sign of calcium deficiency.