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High Runoff EC. Possible toxicity?
Jfmart420started grow question 4 years ago
My runoff EC keeps climbing, I've watered just plain water in between feedings to try combating it but it climbs back up. Am I doing that right? Should I be diluting my solution and keeping the ratios the same? Please, any advise is welcomed
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MrGreenMananswered grow question 4 years ago
Coco needs nutes every watering so don’t give plain water and your nutrient levels are way too high for autos, look at my diary for the nutes I’m using (also using GHE trio) and you can see how much less I’m using. The high levels could be causing lockout therefore increasing coco EC, that’s what was happening to me early on. Also your pH should be 5.8 for soilless in veg and 6.2 for bloom. Happy growing bro
MrGreenMananswered grow question 4 years ago
Also, water twice a day if you can with at least 20% runoff every time. My runoff EC is nearly the same As my inflow at all times now. Coco loves frequent fertigation, look it up online for some articles. Major thing I realised, use the GHE feedchart on their website. They have it for the proper nutrient ratios. Then dilute it down to around the EC level on the feedchart. Autos are delicate and shouldn’t require more than 900ppm throughout growth
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