Awesome Industries Shrimp Tourmaline Balls with Calcium & Over 30 Elements That Improve Health, Color, Shedding, Breeding & Survival Rate (5 Pack Large)

Regular sized at 1 cm, and Large at 2.5 cm Regular Use one ball per 2-5 gallons and Large Use 1 per 5 Gallons, based on your source water hardness and replace about every 3 months. With over 30 Essential elements and minerals for your shrimp; Calcium, Magnesium, Iron, Boron and more that promote activity, health, vigor and Breeding. By strengthening the immune system they are resistant to illness and disease. These Shrimp Wonder Balls help with Better Color from the Magnesium and proper Shedding from the calcium, that also increase shell strength, from there release of these minerals into the environment. Provide General Hardness (GH) and Carbonate Hardness (KH). Overall enhanced water quality with their water conditioning aspects as mineral releasers, helping maintain stable pH, provide surfaces to reduce Ammonia, Nitrite and Nitrate. That in turn helps with faster growth. Plants love minerals too. Tourmaline Balls help with plant growth from their iron, manganese and boron additions to the aquarium. Great for all types of crustaceans; shrimp, crayfish and lobsters, and shelled Invertebrates like snails. Rinse or soak before use.