AnselAdams
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Happened to a lot of people I only uped my cmag when I got rust spots on leaves though. Maybe someone else will have a better answer3 weeks of flower @ Week 9 and the purple leaf stems just started showing up. From what i can tell i need to up the cal-mag in my top -off which is up to 2.5 gallons of RO a day. Top-off currently contains 100ppm cal-mag. Does anyone out there have a different thought?
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Happened to a lot of people I only uped my cmag when I got rust spots on leaves though. Maybe someone else will have a better answer
I was mistaking ph issues for cal mag problemsHappened to a lot of people I only uped my cmag when I got rust spots on leaves though. Maybe someone else will have a better answer
I would actually be a little more worried about the leaves and the vascular network in them. It may be the picture you provided but they seem off. The veins of your leaves seem very pale almost greyish.
Maybe this will help..My led..do turn my leaf stems purple where the light hits them hard...never has it turned my stem of the plants....unless... maybe... excessive calcium will cause lock out..so more calmag only makes things worse..yes some run just mag.or Epson salt..but in no way I am saying that's your problem,but it is not right..lack of phosphorus will also make leafs darker,with a kinda blue or gray look ....
Calmag is an awesome supplement if you know what your doing.
So far in my short little growing career, I have only needed calmag one time. And that's when I was using distilled water. Since then I've switched to tap water and I've kinda forgot about. I'll throw a little squirt in the water every now and then on some plants. But I haven't used it once this whole grow on my plants getting fed NFTG.Calmag is a bandaid in the cannabis industry. It masks the fact that many of us don’t know what we are doing and sometimes tossing some random additive seems to work long enough that we can chop the plant and smoke it. Meanwhile never addressing the real issue or taking corrective measures to ensure it doesn’t happen again.
If it works for you by all means. I don’t own an Epsom salt or calcium carbonate company. So I’m not financially motivated to get you to use them instead.
Thanks MeanGreen420;
I will turn out the lights and look. I suspect that there are some spotted leaves in the "jungle" that i have not seen.