Interpet no2 flora boost is essential nitrate free plant foodr many of the nutrients that are essential for healthy plant growth are not present in the artificial environmentr due to a special formulation which omits phosphates and supplies the correct balance of trace elements flora boost will ensure optimum plant growth without stimulating algal problemsr interpet no 2 flora boost is for use in coldwater and tropical freshwater systemsr one 100ml bottle will treat 500 litres