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  1. T

    High Temp For Maxed Out Co2 Effect, But How Much Is Too Much For Roots?

    For first 2-4 weeks it is recommended to keep temp as high as 30-35C for maximum co2 benefit. I'm worried about too high root temp in this case. At this stage my plants doesn't cover all that crop area yet and heat penetrates into the roots more easily. It's a coco grow to keep in mind. If...
  2. T

    How To Speed Up Ripening?

    I'm wondering if there's something I could do to speed up ripening besides just growing in optimal conditions? I've heard that ethylene is responsible for ripening process to occur. So I got this idea: what if I close all ventilation and control humidity with dehumidifier? I theory that might...
  3. T

    Can I Keep Lights At Maximum Power Until Harvest?

    'm growing with superlumens (1150W) and supplementing with Co2, but my question is about the light intensity, because in the last week or two I lower the co2 levels close to ambient (400-500) and I'm wondering if I should also lower the lights from superlumens to regular 1000W. Maybe it would be...
  4. T

    Which Calcium + Magnesium Supplement Do You Recommend To Use In Coco?

    What kind of Calcium + Magnesium nutritional supplement do you recommend for growing in coco and for what reason? Is there any difference at all between these popular calmag supplements? I've been using 2.5 parts Canna Mono Calcium and 1 part Canna Mono Magnesium so far (not the liquid itself...
  5. T

    What Might Be Causing Ph To Drop In The Rootzone?

    I think my problem was that I was feeding high PPM and didn't water regularly enough, let the coco dry out too much. I read a sticky in this forum about healthy roots and discovered I should water more often. Amazing how I have achieved so good results if I've been doing so many mistakes. My...
  6. T

    Few Questions About Rootzone Analysis By 1:1.5 Extraction Method.

    Firstly I would like to say that I have compared the results of the same mix by measuring right after mixing it together vs putting it back together and waiting for 2 hours before taking the measurements. It read only 20 ppm more later and ph was exactly the same, so basically in my experience...
  7. T

    What Might Be Causing Ph To Drop In The Rootzone?

    Plants look healthy besides some minor cupping close to lights. They are almost 4 weeks into flowering. I've been doing the 1:1.5 extraction analysis for the rootzone 2 times a week and I can't understand why the ph level drops to between 5.1 and 5.5. Measurements are taken before watering and...
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