Ultimate Marine Media Saltwater (5 LBS)

5 Pounds of Biohome Ultimate Marine Media Ultimate Marine Media is intended for saltwater, Recommended 2-4 lb for 30 gallon or larger Media Size: 1.5 in in length and 0.45 in in diameter Made from Premium quality sintered glass, Extremely porous with unique structure Great for canister, HOB and sump filters.You may also like PondCare Pond Salt [Pond, Water Conditioners] 9.6 lbs (Treats 1200 Gallons).