Black Swallow Organic Crustacean Meal (Granular) composting Better than brass and fully

Better than brass and fully adjustable

LED mode indicator lights

the buildup of pests can be controlled

These include phosphorus and potassium

This powerhouse of a mix is a blend of sphagnum peat

Black Swallow Organic Crustacean Meal (Granular) composting Better than brass and fullyThe shells of crustaceans have two benefits for biological gardeners. They are largely made of calcium carbonate. There is a bit of phosphorus, nitrogen and magnesium in there but it is the calcium carbonate they contain that is of value to us. This calcium comes without the extra sulphur, as in gypsum, or the extra magnesium, as in dolomite. This is an important factor for the no till gardener, who wants a continuous calcium supply without the burden