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    Co2 generator during lights off for heat

    Sealed and cooled room with 3,000 watts of hps. I’m using a co2 generator during lights on and having good results. It’s getting cold here in Michigan so my lights off temps are dropping to 58-60°. Rather than buying a heat pump or heater, has anyone ran the co2 generator at night on a...
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    Deficiency? Calmag?

    So, just curious if this may be a deficiency, an environment problem, or maybe nothing to worry about? A little spotting on lower leaves , and this one leaf is turning fairly yellow. Modular ebb and flow in hydroton. All 12 plants seem to have this light spotting on lower leaves. Using advance...
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    3 leaves on new growth

    Anybody know why I might be getting 3 leaves on my new growth? Only change is a lower light. It’s always been on 18/6 and never had any interrupted light cycle “.
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    Let’s see those early veg pics

    New to growing, just looking for some early on growth pics so I can compare how mine are doing. Preferably 1 month after cut off the plant clones, but all are welcome . 1000sq ft room. I’m currently vegging under a 1000watt hps kept about 4’ away from the girls. Running an ebb and flow in 4”...
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    Ebb and flow. Rock wool in 4” net pots and 5gal buckets.

    Hello all. I’m looking for some input on a system I just built from spare parts. Im fairly new to hydro so all tips are appreciated. I have 12 5gal buckets with 4” net pots that I’ve cut rock wool cubes to fit in. The net pots only hang about 4” down into the buckets. So far it seems good, I...
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