Size: 28.5 cm Color: black, blue, green Material: plastic Package content: 2 pieces mini water changer < p>Keep your aquarium clean The aquarium dripper can remove dirt and uneaten food from the bottom of the aquarium. It can be used to regulate water quality, nitrate bacteria and as a liquid fertilizer for aquatic weeds. Easy to use The amount of water absorbed by the dripper can be regulated by regulating the strength of gripping the dropper end. Please clean the product before use. Widely used This pipette measuring dropper is also suitable for Artemia and red worms that are fed after the food is thawed. Live food or small liquid food particles are also suitable. High quality Our aquarium water changer is made of non-toxic plastic and cannot harm your fish.