KUIDAMOS Aquarium Gravel Cleaner & Water Changer - Manual Siphon Vacuum for Fish Tank Maintenance, Easy Water Drain & Gravel Cleaning Tool - Perfect for Freshwater & Saltwater Tanks, Aquarium Cleaning & Water Changes

Use Steps Immerse the tube head into the water, move up and down to cause pressure in the tube, and then due to the rainbow effect, the water will automatically through the pipeline. The special tube head design makes it easy to manually replace the water in the aquarium. To replace water, please tidy the small gravel and relax and dewater.

Suggestions for Changing Water Generally, the small fish tank that raises the ornamental fish is changed once every three days. To raise small animals such as Brazilian turtles, our fish tank can be changed once a week, and we need to increase the frequency of water changing.

Environmental Material The soft long tube is made of PVC, environmentally friendly and flexible. The tube head diameter is about 17.4 x 2.8 cm / 6.85 x 1.10 inches, the long tube is about 150 cm / 59.06 inches, and the weight is about 88 grams.

Rainbow Effect This kind of water replacement uses the siphon absorption effect. You can change the water in the water tank to remove the and the gravel. You don't need to pour water, suitable for about 30 liters of small fish tanks.

Service Guarantee If you have any unclear places during the use of the product, please us in time. We have a professional service team that can help you solve a series of problems related to products, please rest assured to buy.