Need help determining this issue with my plants

Renfro

Well-Known Member
The 1 gram a gallon is pretty strong,check with the ppm meter,need only about 50 ppm.I use 4 grams for 12 gallons.Roots above will go a tan color its normal.
1 gram per gallon

Magnesium = 26 mg/l
Sulfur = 34 mg/l
 
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