Black Grit - 1.5kg.
Black Grit provides soil amendment and fertilizer together in one application to acid soils. It assists in increasing ph to a sustainable level whilst providing useful amounts of macroelements Ca, Mg, Si, and P as well as a range of micronutrients. It is not water-soluble therefore does not leach or wash away.
Made from naturally occurring minerals not chemically treated, it works with the natural soil chemistry to digest soil acid as well as providing minerals in a plant-Use it as a starter in a crop or broadcast over pasture at any time of the year.
- Simply sprinkle 40g p/m2 around the garden and water in.
- 1kg of Black Grit will treat up to 20m2 garden.
- Apply Black Grit every 3-6 months