Mineral Balls Filter Media, 500G for Aquarium Fish Tank with Free net Filter BagMineral Balls purify water, absorb pollutants & excess nutrients and supply trace Minerals.Absorb heavy metals, remove toxins in aquarium water. Buffers pH Level and safeguard fish and shrimp from chemical shooks.Boost beneficial bacteria colonies in aquarium.It is ideal for shrimps, discus arowana, flowerhorn, planted aquarium to have active aquatic animals and vibrant aquatic plants
