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    How do I tell if this Powdery Mildew still alive?

    An indoor grow with small outbreak of PM in a corner. I ran a sulfer burner for 3 days in a row at 2 hours. On the 4th day I'm going through em and find some leaves with PM but I don't know how to tell if it's alive or dead. After using a sulfer burner, what should the PM look like and act...
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    Q: Can non smoker fail hair test from trimming?

    I do not smoke ever. I do help with setup/harvesting and final trim. The stuff is potent and very crystally. I'm breathing in that smell and handling with bare hands. Final trimming takes like 20-25 hours every 3 months. Can this alone cause me to fail hair test (breathing or skin...
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    I don't know if this is too much or too little nutes

    Hi all. I have an ebb and flow system with 1000w HPS in a 4x4 on 24 hours. I'm fully through 2 weeks of veg. I keep ph at 6.0. The clones took a hard hit straight after putting them under the lights and 1/4str nutes at and started losing leaves. So after the first week I flushed them with...
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    Top half yellowing. Stunted growth.

    GH flora series (grow, bloom, micro). PH kept at 6.0 About 2 weeks into flowering. Ebb and flow. I water 3x at 5 mins. I have 2 trays. One tray is fine, the other tray they all look like like this. Leaves on the top half are yellowed with green veins and limp. The leaves at the bottom are...
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    MEDIC! Yellow leaves and spots

    2nd batch ever and my first batch died. 1000W HPS in a 4' X 4' room. I'm watering with a timer twice a day from a res with GH Florabloom, Floragrow and Floramicro. Airstones in the reservoire. They've been vegging for over 2 weeks. A spotty leaf developed and now most have a few leaves with...
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