calcium deficency

  1. B

    Cal/mag deficiency or rust fungus?

    Hey, ive had these rust spots pop up over the course of the last week. Ive given her basic fertilizers and also have grinded up some natural chalk for calcium but they keep expanding. Im worried it might be rust fungus? Any help or feedback would be appreciated, thanks
  2. G

    RQS northern lights auto needs your help

    Sprouted: 9th nov Temp: 25-27c on 19-21 off Humidity: 40-45 on 50-60 off 20/4 ratio since yesterday it was 24/0 before Lights: 150watts since yesterday was 220 before. Mixed bulbs Fabric pot: 18 liters Lights hanging lenght: 40cm I use coco mixed with perlite 80/20 Fertilizer: in first 8 days i...
  3. S

    help identify potential phosphorous or calcium deficiency. Autoflower Late week 7 flower.

    • SupremeBudDrongo
    • Thread
    • calcium deficency deficiency or lockout leaf brown spots yellow leaves lockout phosphorous deficiency
    • Replies: 4
    • Forum: Newbie Central
  4. A

    Why flush with deficiency?

    So I just diagnosed a calcium deficiency in one of my plants. Upon doing a little research, many places said to flush soil and then add missing nutes. I'm more than happy to simply follow directions with something I don't fully understand. But my question is why flush with deficiency? I...
    • Antman603
    • Thread
    • calcium deficency deficiency flush
    • Replies: 2
    • Forum: Nutrients
  5. C

    Please Help me to deal with this!

    Hi Guys, I really need your help dealing with this issue. I think it's calcium but I'm not sure. I run a DWC in Veg. I use RO Water RC 0.00 Canna Mono Ca/Mg 1:1 to EC 0.4 Than adding GHE GMB to 3:2:1 to EC 1.0. Ph~6.3 Temp 27°C 68%RH Water Temp 22°C. Lighting with LED strips at 250w/1.44m2...
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