Petworx Gravel Cleaner 20in - Extra Large Marine Lighting Front to back adjustment works

Front to back adjustment works for 18" to 24" wide tanks

MatrixCarbon™ is a truly unique activated carbon

It may be used in a canister filter

chemical and biological

Reef Zooplankton™ is enhanced to increase the bioavailability of important nutrients such as proteins

Petworx Gravel Cleaner 20in - Extra Large Marine Lighting Front to back adjustment worksPetworx Aquarium Gravel Cleaner 20" Instructions: Put the pipe with suction head into tank Put the other end of the plastic tubing into a bucket Shake the pipe with the suction head up and down until the water expels out automatically Move the head following the effective slant angle and agitate the sand gravel Dirt will be sucked out with the water into the bucket