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This 10-pound bag of eggshells come from approximately 5000 cracked eggs. Eggshells are natural and rich in calcium and magnesium. They have many uses such as boosting calcium and magnesium in the soil for tomatoes and other garden vegetables. Note that magnesium is an important component for photosynthesis in plants. Boosting calcium and magnesium in potted plants. A feed source high in calcium for chicks, chicken, and birds. Boosting calcium levels in the compost pile. Eggshells contain approximately 90% calcium, 6% magnesium, and 1% phosphorus.
Calcium supplement for dogs – eggshells act as a binder to rid the body of excess phosphorus which affects the dog's kidneys. If you're feeding a homemade diet, use about a ½ teaspoon of pure ground eggshell per pound of fresh food. If feeding both fresh food and commercial food, only add the eggshell to the fresh portion of the meal
Calcium for tomatoes & vegetables
Calcium for aquarium shrimp
Soil nutrient conditioner that adds magnesium to the soil for photosynthesis