Rare pearl The store is made for you! Ideal for deep cleaning of the aquarium or quick maintenance Easily remove substrate residues without disturbing the bottom layer of gravel. Please pay attention to the use in the video and detailed information page. Improper use may cause clogging. The automatic pump removes water and fills the aquarium with water. Adjust the height according to your needs This environmentally friendly product supports aquatic life in a "green" way The device can be used in freshwater and saltwater aquariums, and the water depth can reach about 70 cm. 2-in-1 design Thanks to its 2-in-1 design, it can be used as a vacuum cleaner and water change system for quick and easy cleaning without causing siphoning or annoying cleaning work Ideal for quick and efficient cleaning, it can reduce and simplify maintenance time. It can effectively remove waste and other harmful particles without disturbing the bottom gravel layer. Take care of your aquarium and aquatic life in an environmentally friendly way, improve filter operation, and keep fish and plants healthy. Used as a vacuum cleaner and water changer system remove waste and other harmful particles Do not disturb the gravel layer Designed for medium and large aquariums Extended nozzles can be used for deeper aquariums Note: The vacuum cleaner is suitable for freshwater and saltwater aquariums with a water depth of about 200 mm. 71 cm The size of the aquarium gravel should not be less than 2 mm. Not suitable for cleaning sandy bottoms.Depending on the depth of the aquarium, you can add extension tubes or lengthen the nozzles.Before starting the pump, the pump must be placed below the minimum water line.If the pump impeller is stuck by debris, loosen the impeller nut counterclockwise and remove the cover, then clean the debris from the inside.It is recommended to replace up to 25% of the total aquarium water every 2 to 4 weeks.Tilt it to better clean the gravel, change the water, and remove waste. You will be able to clean the aquarium without causing confusion!Always submerge the pump completely, otherwise it will stop working.Remove the filter element. Remove the end cover from both ends of the filter element. Thoroughly rinse the accumulated impurities under running waterShop Tips:1. The size is measured manually, please allow the error (1-3 cm).2. Due to the different monitor pixels, there may be some color difference, please refer to the actual product.