SPECIFICATIONS

Choice: yes

Functions: Culture nitrifying bacteria and maintain water quality

Functions 1: Cultivate the nitrifying bacteria for biological filtration.

Functions 2: Break down manure and leftover forage

Functions 3: Material is thick and durable

Functions 4: Suitable for use in fresh water and seawater

Functions 5: Can cut any size as needed

Functions 6: Excellent water permeability

Functions 7: It can be reused after cleaning

Type: fish

semi_Choice: yes