"Japan Power House – Basic Bio-Ring" and "Japan Power House Bio-Ring" are made of the same raw materials and also have the function of controlling pH value. The surface pore area is approximately 60% of the Japanese Power House freshwater biological ring Discounted 5L...

Japan's top filter material PowerHouse MONOBALL 3L biological pearl seawater/freshwater/neutral effective bacterial culture area 1,010m²/L

Weakly acidic, suitable for fresh water and aquatic plants Size is less than 4.0mm, net content is about 4.0L Carefully selected materials are pelletized and fired at low temperatures. It has the function of maintaining weak acidity. Because it is highly porous, it is...

Basically neutral, it can be used in any fish tank such as aquatic plants, fresh water, sea water, etc. "Japanese Power House Volcanic Stone" is very hard in texture. Due to the porous structure on the surface, not only microorganisms are easy to attach...

It has the function of inhibiting the increase of pH value. It is weakly acidic and can be used in fresh water and aquatic plants. A small and exquisite ceramic bottle, a filtration system that maximizes efficiency. Suitable for aquatic plants, red bee shrimp,...

It has the function of inhibiting the increase of pH value. It is weakly acidic and can be used in fresh water and aquatic plants. A small and exquisite ceramic bottle, a filtration system that maximizes efficiency. Suitable for aquatic plants, red bee shrimp,...