Yellow lotus-shaped inclined groove bacteria house

The yellow lotus-shaped inclined channel bacteria house, as a type of medium for aquatic filtering, has a size of 16*4 cm. This size is very popular among aquarium enthusiasts and is one of the most commonly used sizes. This cross-section is like a lotus root. Moreover, it is equipped with inclined grooves all over its surface, which are designed for bacterial cultivation. It is particularly suitable for those who have the requirement of bacterial cultivation.