HELP! Having a real issue at the minute. I've done about 10 grows with autos and the first 4 went without a hitch. But my last few grows even though I haven't anything changed anything, I've had a real problem with nutrient lock out, about 5 weeks in. So I bought a blue lab ph pen to see what was going on, and I was getting a run off PH of below 4.8. I was using canna terra pro with bio bizz nutrients. So this time I thought I would change soil and nutrients to something that would hopefully compliment each other; plant magic supreme with the plant magic soil nutrients. But I'm totally baffled....... I tested the water with the nutrients in before and it's 6.5.....perfect right? But when I tested the run off its at 4.8! How is this possible, this is the first time I've fed them now as they only a few weeks old, but surely I'm heading for another nutrient lockout if I carry on. Any help much appreciated
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