Cal mag problems can’t fix
Padrinostarted grow question 3y ago
I’m using 5ml per gallon of cal mag and I keep having cal mag issues and can’t seem to get a hold on it. Now my two biggest best looking plants are looking rough. Any idea or tips to help me in this situation??? My light is only at 80% (FCE-4800)?????
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Robertsanswered grow question 3y ago
Your plants want a lot more potassium, and phosphorus. Which is causing your ph to likely be high in substrate. Which causes lock out swings easily. Plus the final bud will get way better and more if you start juicing them as they hit bulking, and reducing nitrogen as flowering goes. Having good rum off is ideal as well. Testing the run off ph will tell you a lot as well. 👍🏻🌱
Growstickanswered grow question 3y ago
It's not a calcium or magnesium issue, it's a lack of phosphorus. Increase your bloom nutrients/add a PK.
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ernest_twwganswered grow question 3y ago
You need to treat your soil, not your water.
Amend with kelp meal, lime, gypsum, and langbeinite. Unfortunately, these things won't kick in for a few weeks, so you'll need to find a soluble source of nourishment for your plant until the amendments break down enough for the plants to take in.
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UnkleSkunkanswered grow question 3y ago
calcium and magnesium are better absorbed by the plant with a pH of 7/8
the spots caused by calcium or magnesium deficiency won't recover, they'll remain damaged
just a little note... I use Sensi Bloom and I'm currently giving about 4ml/l, you're giving less than half
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Ctrellis90answered grow question 3y ago
You can try dropping your ph a little to get better uptake but at this point Im beginning to doubt it's a cal mag deficiency.
Please post pictures with your deficiency.
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