I'm 2-3 weeks into flower and just tested my water. Ph7.5-8. I believe I have nutrient lock out. So I have been giving them the bad ph this whole time. Also I believe the growth is slow fast. What should I do. This is my first grow. Orange sherbet autoflower.
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Using a few drops of pH down in your water isn't going to eradicate your microbe population. So don't be shy to lower the pH; the plant will produce much better when the medium is in the proper pH range.
I grow only organic and I use a Ph down (depending on what stage of nutes) to bring my Ph down to 5.9-6.5 on the nutrient mix once I have prepared it. I have used Nectar for the Gods for several grows now and I have no issues with the “Hades Down” I hope you get it worked out
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T
In soil you definitely have to get that ph down. Cannabis likes a slight acidic soil. Where your at the plant will be locked out of iron, copper, zinc, and manganese. I try to keep my soil 6.2-6.7 and coco 5.4-5.9.
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It depends on your medium and nutrients. I'm using coco coir with dry amendments doing an organic grow and I have to use PH down b/c my water is 9.8-10.1
In coco I'm keeping my PH around 6.5-6.8 but in soil it's different. The more info you can give us, the better your results will be