Soil A/B for peat and compost substrates Gold Label Soil A/B is a professional grade mineral two component base plant nutrient for the vegetative and flowering phase in peat and compost substrates. Add Soil A & B in equal quantities, 0.5- 2.0ml/L, or until the desired EC. Never combine pure nutrients together, always mix in water. Shake bottles before use, store at room temperature.
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