Calcium Flour The ultimate solution for healthy soil! Do you have problem soil? We know how difficult it can be to maintain healthy thriving soil so we have got a solution for you! Like any ecosystem, to function healthily the conditions need to have a neutral PH value, the addition of a Limestone conditioner, when added to your wormery, can solve a number of problems you may be facing as well as having a close link to increasing the reproduction rates in worms. Lime (limestone flour/calcium carbonate) is a natural soil amendment which helps enhance the ‘living soil’, lime helps in the worm bin by providing worms with Calcium & other minerals. Dust regularly with our Lime Conditioner to keep your worm bin healthy & functional.