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  1. M

    Black leaf tips and chlorosis of new growth. . .with taco-ing leaves

    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...
  2. M

    Black leaf tips and chlorosis of new growth. . .with taco-ing leaves

    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...
  3. M

    Leaf Problem Please Help

    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.
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