H&G MgO 8% - 1 L
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MgO 8% from House & Garden should be used in cases of serious discolouration and/or over-fertilization of the plant.
50 ml per 100 L of nutrient solution.
Magnesium oxide (MgO) 9%, total nitrogen (N) in the form of nitric nitrogen (NO3) 6%.
Add to irrigation water for three days.