NPK 0-34-52 Also known as phosphate of potash its principal attribute is that it has no nitrogen, the analysis being 34% potassium oxide (K2O) and 52% phosphates pentoxide (P2O5). Its principal use is in rockwool and hydroponic systems, the nitrogen provided by potassium and calcium nitrates. It is favoured by exhibitors of vegetables and specialist species like bonsai, alpines and cacti at the end of the season to produce firm, hard growth. General rate of use. 100gms. to 4 gallons of water.
Also known as Phosphate of Potash. A liquid feed unique by its total lack of nitrogen it is used in rockwool and hydroponic systems and by exhibition growers to produce firm growth at the end of the season, i.e. in Autumn and Winter.
Rate of use 1oz per 4 gallons of water.
Phosphorus Pentoxide (P2O5) 52% (P 22.7%) Soluble in water Potassium Oxide (K2O) 34% (k28.2%)