Fluval Gravel Vac 8-24 Inch barrel jewels It slowly neutralizes acid substances

It slowly neutralizes acid substances that contribute to low pH

Waterproof

or 10″ (25 cm) diameter domes

Provides nutritious variety from natural ingredients in a convenient

Automatic back-up battery power

Fluval Gravel Vac 8-24 Inch barrel jewels It slowly neutralizes acid substancesTake total control of the aquarium cleaning process with the Fluval GravelVac multi substrate cleaner. Key Features : Effectively traps dirt and debris Easy Start siphon for quick priming starts with just a couple of pumps Thumb operated flow regulator allows you to adjust speed as you clean Gravel guard prevents clogging Tube extension included for larger tanks and hard to reach areas Suitable for all substrates (sand, gravel, rock) For use in