Neptune’s Harvest Organic Crab & Lobster Shell is an excellent dry organic plant food, containing Calcium (17%) and Magnesium (1%). Crab & Lobster Shell will keep your lawn healthy and green and works great with Neptune’s Harvest Kelp Meal. High calcium fertilizers have been shown to benefit bulbs and flowers. This fertilizer should be worked in the soil before planting, or top dressed. It can be applied to lawns with a broadcast spreader. It shows amazing results on lawns and all plants. Guaranteed analysis 5-3-0
