Magprill®

Magprill is a 2-6 mm granule made from ultrafine, high purity dolomite with certified organic input. lt is manufactured in Australia by Omya, the world’s leading producer of ultra-fine calcium and magnesium carbonates. lt is a suitable alternative to Calciprill (granulated calcium carbonate) where higher levels of magnesium are required. Magnesium is an essential nutrient for photosynthesis and can alleviate toxicity of certain ions in the soil, including aluminium. Magprill is low in dust, easy to spread and breaks down rapidly in moisture.

Data last updated 02/06/2026.