Sun-Mar Compost Magic © dramatically speeds up composting in a Sun-Mar Garden Composter. Compost Magic is 100% natural and non-toxic bulking material which is compressed for easy transportation, storage and handling. When water is added to a 600g brick, the brick expands to a volume of 8-9L (~2+ US gallons).
Made of coconut waste.
Available in single bricks, or packs of six (6).
Typically in stock at our Fairbanks, AK location. SKU16182