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pH
DTarostarted grow question 4 years ago
DWC grow.
1. pH dropping 6 to 5.3 in a day, changed new nutes still happening 700ppm/ec 1.4 staying same no change.
2. Roots doesn't stink or smell, my roots has always look like that using biodiesel and seaweed
3. Distinct brown spot on leaves
Please advise.
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Leaves. Color - Dark-brown
Roots. Color - Brown
Feeding. Other
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MaxGrowCanadaanswered grow question 4 years ago
If your tds remains stable and have a downward trending ph, it sounds to me like you have a strong reaction between your nutrients looking for equilibrium at a lower ph. The byproducts of these reactions are most likely insoluble and therefore the plants start to show deficiencies.
I would suggest trying to eliminate one nute at a time untill the problem goes away. Also, oxygenating the water speeds up these reactions, sometimes.
blendmedmedmananswered grow question 4 years ago
yeah with dwc you just have to watch it, this happened to me, i did the same and just kept changing the water out every other day, grow came out great its just a little work. as far as the brown spots that didnt happen,
just keep changing bucket out and keep an eye on the spots
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