Hygger Aquarium Double Sponge Filter, Comes with 2 Spare Sponges, 1 Bag of Bio Ceramic Media Balls, Quiet Submersible Foam Filter for Fresh Water and Salt-Water Fish Tank (M)

About Us By chance, a few like-minded friends visited the ornamental fish farm together, and admired many beautiful fish that had never been seen before. They listened carefully to the owner of the fish farm explaining the characteristics and breeding requirements of various ornamental fish, and found that behind the beautiful has a careful care! This aroused everyone's strong interest, so they decided to explore the road of aquarium together. Coinciding with the announcement of the Oxford Dictionary's Word of the Year, the Danish word 'hygge' caused a Nordic trend. hygge is generally translated as "comfortable cosy". hygger is derived from hygge. If you define hygger, it is to stay away from all stress and annoying things, spend time with family and friends, do what you like or simply be alone, as long as it makes you feel relaxed and comfortable. Beautiful pet fish and harmonious natural aquarium ecology is a hygger feeling... Focus on aquarium, make the best aquarium products. hygger dual sponges aquarium filter is for small, medium and large size fish tank use, as additional bio filtration to your aquarium. Let your main filter operate as well as this filter will make your aquarium water more clear and better quality. hygger is a brand focus on providing high quality aquarium supplies for fish tank starters or experienced people, hobbyist or professional. PRODUCTS: air stone kits, air pump, wave makers, aquarium filters, aquarium lights, aquarium heaters, resin decor. As we all know, cloudy tank is common due to tank tiny creatures recycle. Healthy tank tiny creatures recycle will make the aquarium water more clear and in good quality, which in turns to make your little fish, shrimp and other aquarium pets live a healthy and happy life. This bio sponge filter will help beneficial nitrifying tiny creatures to live and grow. Which in turns to break ammonia down to nitrites and nitrites down to nitrates. The aquarium filter working isn't something that is really visible. Other features of this sponge filters: Media balls provide a surface for bioload where helpful tiny creatures can live quickly. The filter package includes a small bag of ceramic midea balls. 0.25lbs for small size, 0.27lbs for medium size. You can also replace this ceramic media with other medias like carbon, ammonia absorbers, etc...everything you can do to keep your water sparkling clean is a benefit to your aquatic pets and plants. Suggest to replace the ceramic media balls every 6 months or when you find its water permeability truns poor. It's very easy to buy more ceramic media balls on amazon. The sponge we used is very fine, with ultra strong water absorption, will give much more surface area for beneficial tiny creatures to live on. Nitro tiny creatures must be attached to a fixed surface to form a biological layer before nitrogen cycle can take place. 2 spare sponges The package includes 2 spare sponges. Please note when you take them out of containers, they may look badly packed and out of shape, don't worry, just put them aside, the sponges will gradually get back to they original shape, or you can submerge them in water to help that. How long should I replace the sponge? Replace the sponge once every three to six month or when the sponge gets worn out. It's better to replace them 1 by 1, interval could be 2 week or more. . The air water outlet tube is telescopic, can be adjusted above the water line or below, and it's 360 degree rotatable. When water outlet is under water, it will add more air into water and make small water flow, bubbles will come out into water, just like the air stone does. When the outlet is above waterline, a small stream of water will come out from the tube, may make some water noise.