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GroBunnyMemberJanuary 5, 2021 at 5:03 pm
It was nutrient burn for me. I had to flush and use quite a bit of water to solve it. Just measure the runoff and make sure you correct the PH and get the EC way down too. I just brought down the EC to 1.4 and then fed water one more time the next feeding till runoff because I’m cheap about wasting nutes, but you’d probably be better off flushing until the EC is like 0.7 and then feeding the next time at half the strength you fed the time before. That’s how you’re supposed to do it anyhow. I’m in the 3rd week of flower though so I don’t want to risk deficiencies during such a critical bud growth stage.