MasterLine Phosphate is a solution based on phosphate (PO4) and potassium (K). MasterLine Nitrate enables separate control of the nutrients with daily or weekly dosing.MasterLine Phosphate+ fertilizer for ornamental aquarium plants, based on phosphate and potassium+ indirectly helps prevent algae, giving plants a faster growth rate+ together with the individual elements of MasterLine, offers supreme control over nutrient concentrations+ can be dosed as a supplement to complete fertilizing formulas+ compatible with all forms of aquatic life, including shrimp+ suitable for daily or weekly dosage+ elements with a high degree of stability+ contains a graduated measuring cup from 2.5 to 20 mlDosage MasterLine PhosphateAdd when necessary, depending on the preferred values 1 ml to 30 liters adds 0.5 ppm PO4 and 0.2 ppm K to the aqaurium water.