ITEM NAME:Rechargeable Automatic Aquarium Gravel Vacuum Cleaner, Sludge Extractor and D4H9 Rechargeable Automatic Aquarium Gravel Vacuum Cleaner, Sludge Extractor and D4H9 Debris removal Uneaten food items, fish waste products, and plant debris will accumulate on the aquarium floor as well as in between gravel. In order to remove debris without the need to empty the aquarium, it is only necessary to perform cleaning with the use of a gravel cleaner. Inability to perform gravel cleaning can lead to an increase level of pollutants and toxins inside the aquarium. High concentrations of nitrite and ammonia can lead to a change in water chemistry. This in turn can lead to decreased immunity of the marine life in the aquarium. Improve Water Chemistry Gravel cleaning does not guarantee the elimination of all bacteria living inside the aquarium. This is due to the fact that some bacteria are beneficial in maintaining a healthy environment for fishes. No buckets or hoses required for the operation Built-in rechargeable battery operated aquarium vacuum Fully charged battery provides up to 2.5 hours continuous use Enables to clean gravel or removes detritus without regard to water changes Telescopically adjustable height fits for a minimum 8 inch and maximum 30 inch depth tank Rechargeable Battery-
