15 lbs Natural pebbles for fish Aquariums. All stones are graded to approx 1/4 inch. All stones are basically the same size. Will not clog filters like sand can. Natural tiny river pebbles help Create a healthy fish environment. Helps promote good bacteria to maintain good water quality. Tiny pebbles have random colors and shapes. Your fish will feel comfortable with these natural river pebbles.Nice natural looking Pebbles. 2nd photo shows how much coverage 15 lbs gives in a typical 50 gallon fish tank. Rocks are rinse clean and dried before shipping. Shipping can cause dust please rinse again before use.
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