Natural Coral Material:This coral for fish tank is made of selected natural coral, it will not harm your fish,you can use it without worrying, it can regulate ph and gh in the water, improve the quality of the water, and create a good living space for your fish
Easy to Use:Our aquarium filter media is packed in mesh bags, the small bag weighs 500g/1.1lb, the large bag weighs 1000g/2.2lb, clean them with water before use and then put them into the water to use, you can choose to put the whole bag in or take out part of it according to the size of your aquarium
Unique Decoration: This fish tank substrate is made of natural coral, so each of them has a unique shape, unlike other single filters, it can be used as both a fish tank filter and a decorative item to create a clean and beautiful home for your fish
Improve Water Quality: As an aquarium substrate, it can balance the ph and gh value of the water to keep the pH and hardness of the water in a suitable range, its surface has dense pores that filter impurities from the water to keep it clean, and provide a stable underwater ecosystem for your fish and shrimp companions
Wide Range of Uses: These crushed coral filter media can be used as a filtration medium for fish tanks, turtle tanks, freshwater aquariums, and ponds, and because natural coral is strong, it can be used for a long time. It is a beautiful and durable pond filter media