I’ve been using the product for almost 2 years ajd multiple grows in both hydro amd soiless and I have never checked the ph or the ppm. I have never adjusted the ph either. I was under the impression that you aren’t supposed to adjust their line. The ph up or down will throw off compounds that help keep it in a stable range for the plant.
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Are your water temps high? I had that problem before because high res temps and a clogged airstone . But i dont use A.N.
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Funny you should ask I turned chiller up to 20 degrees yesterday thinking the cold water might have been contributing to the slow growth. Got home to a foul smell. So i turned it back down to 18degrees, the smell only very mild now and I’ve diluted the mix with plain ph water. The edge of leaves cupping on new growth as well. Anything else I should try. I
Im not sure im pretty new myself and everything that could go wrong went wrong at first lol. I use hydrogard and keep res cool along with plenty air and it solved my problems.