100% Original Zirconia Foam - Aquarium Foam Filter Media Bacteria House Cube Multi Colour Culture Brick for Koi Pond Filtration – Bestn

Bacterial brick is a biological filter material for culturing nitrifying bacteria. Nitrifying bacteria can decompose fish excrement and participate in feed, improve the immunity of ornamental fish, remove chlorine and heavy metals in water, and prevent algae from growing. The success of the establishment of nitrifying bacteria in the fish tank is directly related to the clarity and stability of the water quality of the fish tank.

1. Excellent bacteria-carrying capacity
Bacterial bricks have a hollow grid structure, which is very suitable for nitrifying bacteria to survive. Each square has an effective surface area of 120 square meters and excellent bacteria-carrying capacity, which can replace traditional ceramic ring
ceramic balls and bacteria houses.
2. Five-star filter material
The special small microporous structure allows nitrifying bacteria to attach to a larger parasitic area and a larger space for
culturing bacteria.
3. Easy to clean without clogging
The golden ratio of the mesh, the water flow is smooth and breathable, and it is not blocked and easy to clean.
4. Art pottery firing
Special materials and artistic craftsmanship casting, non-fading, non-toxic and harmless after high temperature calcination,neutral PH.

Bacteria brick can be used in a variety of filters, such as overhead filters, filter buckets, bottom filters, drip boxes, large fish ponds, large fishing ports, etc.

Instructions for use:
1. Rinse with the original tank water before use.

2. It is recommended to use together with nitrifying bacteria when the new tank is opened, which is convenient to quickly establish a perfect nitrifying bacteria system.

3.It can be used in the bottom filter tank or the upper filter tank. Every 3-6 months, it can be easily rinsed with the original tank water.