Our new Self-Start Siphon feature has made aquarium maintenance a whole lot easier! With the Gravel Vacuum cylinder submerged in the water, simply move it up and down a few times to activate the Self-Start Siphon. Gravel Vacuum Cleaners are designed to separate and remove debris from the aquarium during routine water changes. The Slim Jr. Gravel Vacuum Cleaner features a 1” diameter x 6” long cylinder with a 42” long hose and is ideal for large fish bowls and tanks with up to a 5 gallon capacity.
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