hygger internal filter for a small fish tank provides mechanical and biological filtration to help keep the water clear and the tank healthy. The fine sponge catches fish waste and tiny debris while bio balls provide plenty of spacious areas for the colony of beneficial bacteria.
Aerate the water for more oxygen
The best small internal aquarium filter not only can keep the tank water clean but also agitates water by making bubbles. It slowly moves water around which is great for fish that love slow-flowing such as betta and guppy fry fish, etc.
Low Maintenance Internal Filter
You can replace the sponge with any brand of sponge, just cut to the size and clean the bio balls every two months. Replace partial bio balls every six months, and replenish only ⅓ at one time.
Air Pump Driven Filter
Like most sponge filters, the hygger small internal filter requires at least a 2w air pump & an airline (both sold separately) to run with. The convenient plastic chamber allows for quick and easy access to filter media maintenance or replacement.
1. Before using the hygger Internal Filter, it’s essential to rinse the ceramic balls thoroughly. To maintain the stability of your aquarium’s ecosystem, use water from the aquarium itself rather than tap water for rinsing.
2. Bio Ball Specifications: The diameter of the bio balls is 1.8 cm. When it’s time to replace them, you can use the same size or smaller bio balls to ensure they fit properly within the filter and continue providing the necessary surface area for beneficial bacteria.
Package:
1 x Filter
1 x Filter stone
1 x User manual