2.2 lbs/ 1kg Natural Crushed Coral for Aquarium Filtration - pH Buffer & Calcium Supplement for Fish Tanks - Natural Bio Filter Media for Sump & Canister Filters

Natural Crushed Coral serves as a biological filter and decorative element for aquariums, enhancing water clarity and stability.

• The description claims the coral helps efficiently break down ammonia and nitrites.
• The description claims the coral stabilizes pH and increases water hardness.
• The description claims the coral is ideal for aquascaping.