Soluble Plant Food / Fertiliser | 9-15-38 + 2Mg + TE | 100g - 25kg. For vigorous plants which are fertiliser tolerant the rate can be increased, typically, to 2g per litre. Soluble Tomato Food is a powdered feed that is fully water soluble and can be used at the rate of 1g per litre of water as soon as your first truss has set, feeding once a week.
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