I was looking for a product that can be used in my garden to keep the soil moist and feed the plants with the salts normally found in RWB or rain. Also to mix in with potting soil so that the plats need only be watered once per quarter. I only require one yearâ??s quantity for a garden of say 500m2 of which 60% is lawn. i.e it is not a large quantity & Show More...