hygger 25ft Semi-Automatic Aquarium Water Changer, Fish Tank Gravel Cleaner, with Flow Control Valve
- ... the pressure from the water, the gravels and sands can be sucked up to the gravel tube then to vacuum out the debris in gravel.
- 【Non-electric & Quiet】this aquarium water changer is not electric, no noise no disturb to your fish or plants. All you need to do is to control the 2 valves and open the faucet. With 2 orange built-in control valves on the water changer, to turn it on or off you just need to rotate the valve by 1/4 turn up or down. To add clean water in to aquarium, please remember to keep the water flow assembly valve closed, so when you open the faucet the water will flow into the hose.
- 【3 sizes available】choose the size according to the distance from your fish tank to the sink faucet, flexible water hose length available: 25ft, 33ft, 49ft. The inner diameter of the hose is 1/2 inch. Each pack comes with 2 seperate faucet female adaptors(13/16 inch, 15/16 inch) and one built-in faucet femal adaptor(1 inch), so the water changer can be used for most faucets.
- 【Easy to Install】It's very easy to use, attach the water flow assembly to the faucet. To change water, after connecting the flexible hose to the water flow assembly and the gravel tube, firstly you submerge the gravel tube in the aquarium tank and keep it's orange valve closed....