Matala Bio-Cubes - 1-3 Inch | Pond & Aquarium Filter Media - One Half Cubic Foot

Ft. of cubes covers about 525 sq. ft. of surface area, much more than lava rock, bio-balls or ribbon materials. These bio-cubes allow your pond filter to maintain greater levels of beneficial bacteria for clearer water and a better ability to handle a larger fish load as your pond matures.

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