Neptune's Harvest Fertilizer NH Crab and Lobster Shell

A natural source of nitrogen, phosphorus, calcium and magnesium. When integrated in your soil it encourages growth of chitin-eating bacteria, which helps to control ants, grubs, fungus and root nematodes. Keeps slugs and snails off when placed around plants. Also helps choke out weeds and even keeps moles, mice, etc. from digging up bulbs and root vegetables.