You know what I mean, your soil should be replaced after each cycle… Well not anymore! Soil upgrader will revitalise your soil back to life. Due to the presence of micro-organisms, bacteria, minerals, calcium, yeast and stimulants, your complete soil will be reactivated. Plus, SOIL UPGRADER will ensure that your soil will regain an optimal structure which is important for the air-water resources in your soil. Available in 1kg and 5kg.