EM-1 Compost Starter, ConcentrateEM 1 Compost starter is a liquid concentrate containing a broad spectrum of beneficial bacteria that harmoniously convert organic material into humus while binding nutrients to create a nutrient rich soil amendment for plants. Suitable for all composting systems, compost toilets and worm farms Over 80 different active ingredients, fast, effective and easy to use Reduces unpleasant from compost piles and compost toilets 32 oz concentrate bottle makes