15 lbs of Aquarium stones and green semi polished Pebbles. Shown dry in first photo. Rocks range from size of quarter to dime in size. Shown wet in first photo. Second dry. Slightly larger mix to give a nice texture and color to your aquarium set up. Natural beautiful stones to give your fish tank character. Many many varieties of colored stone to many to list. Aprox 10 % of stones will be semi polished green  stone. Stones help provide good bacteria a place to establish. Help control nitrate and nitrite levels. Easier to clean than sand. Beautiful stones will make your fish feel comfortable. Also great for Aquatic turtles. 1 to 2 lbs of stones per gallon of tank size.         ** Please Notice ** You Must Rinse off before use! They will have grey dust and will not look like photo until you rinse them off thoroughly. Free Shipping.