Nitro 10 ml per 500 litres increases NO3 concentration by 2.0 ppm and K concentration by 1.3 ppm. Phosphate free.Fosfo 10 ml per 500 litres increases PO4 concentration by 0,1 ppm. Nitrate free.Storage Room temperature. Keep out of reach of chlidren.This item is for Fosfo 500ml only.
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