This unique potting soil combines the best fertilizers found on land with the finest sea ingredients available.The result is a rich;light;organic potting soil;ready to use right from the bag;that encourages healthy root growth;disease resistance and leafy foliage.Consists of rich composted forest humus;spaghnum peat for aeration;bat guano;fish;crab;shrimp and Norwegian kelp meals - and of course;Fox Farm's premium earthworm castings.There are even some oyster shells mixed in to ensure a balanced pH. For planting in containers both indoors and out;tilling into gardens;filling raised beds or top dressing established plants. 1.5 cubic feet.