Lee's Economy Gravel Vacuum (Large) Cardinals Rinse a new cartridge in

Rinse a new cartridge in cool freshwater before installation

Probe input: One selectable pH or ORP port

Application: Aquarium return plumbing

Also supports macroalgae and the general health of fishes

Begin siphoning water into a bucket and insert the vacuum tube into the gravel

Lee's Economy Gravel Vacuum (Large) Cardinals Rinse a new cartridge inLee's Economy Gravel Vacuum (Large) Lee's Economy Gravel Vacuum (Large) is a larger aquarium gravel cleaner made for removing debris from gravel during routine water changes in bigger aquarium setups. Large Gravel Vacuum for Bigger Tanks The longer 16 inch vacuum tube helps reach deeper aquariums and clean larger gravel areas more efficiently than smaller economy models. It is a practical choice when the aquarium size or substrate area calls for more