hygger Aquarium Sponge Filter, Fish Tank Filter, Submersible Internal Foam Aquarium Filter for 91-250L Breeding Fry Shrimp Snails Betta Tank with Filtered Ceramic Balls and Spare Sponge(M)

Product Description

Why Choose This hygger Bio Sponge Filter? First, it constantly supplies oxygen and provides good surface agitation for the fish tank. Second, it provides a dual filtration system, bio & sponge to keep the water clean. While safe and gentle enough to avoid sucking up a fish. It came with two sponges (one to use now and a replacement).Recommend cleaning your sponge every 2~4 weeks or whenever you see a decrease in bubbles. (Take the tank water for cleaning) Come with a pack of bioceramic balls.It can be disassembled and you can freely replace other filter media as needed. How to Use? Take the spare sponge off the filter after out of the box. Keep a sponge to restore its fluffiness and install fixing buckles. Wash the filter to remove the dust before put in aquariums. Connect the air pump and air tube (4mm) to the filter. Squeeze the sponge until it is full of water making it sink into the bottom of the tank. Tip: The air pump and air hose are not included. Due to the two sponges being squished up together, Please take it apart and loosen the sponge to restore its normal shape.

Product Features

Precision Double Filtrationhygger sponge filter consists of a circular cotton and a chamber base with bio-ceramic ball that provide both mechanical and biological filtration for your aquarium, which is suitable for low flow breeding like betta, guppy, shrimp, snail, fish fry. Or as a pre-filter for other filtration systems and also be used as an auxiliary filter for large tanks.
Working PrincipleThis air-driven sponge filter is powered by an air pump that uses the water-lifting effect generated by rising bubbles and drives water flow through filter sponge, which can effectively adsorb excreta and residual bait to achieve the purpose of filtering and purifying water quality.(PS:AIR PUMP AND AIRLINE SOLD SEPARATELY)
Filtration/ Culture/ OxygenationBiochemical cotton has a high-density pores structure, which can more easily catch impurities and particles in water. The filter chamber is equipped with bio ceramic balls that help break down waste and cultivate beneficial stuff. Built-in a small bubble stone at the bottom can effectively increase the dissolved oxygen content in the water and generate a lot of bubbles.
Use & MaintainOur fish tank foam filter includes two sponges that take the spare sponge off and stay the other on filter before use. Filter container is easy to detachable and can be freely replaced with any other filter media as needed. Hook the filter up to air pump, and squeeze the sponge until it is full of water making it sink to the bottom of the tank. The sponge should be washed approximately every 2-4 weeks use tank water rinse to ensure the filter works properly.
Three Size For ChoiceSmall: 7.3cmW x 11.2cmH, it works pretty well filtration for 5-91L small aquariums with under 40cm depth. Medium: 7.3cmW x 16.5cmH, suggested for 91-250L medium-sized aquariums with under 50cm depth. Large: 10cmW x 17.7cmH, suggested for 250-568L aquariums with under 67cm depth.

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