Выращивание чистой воды фильтр Медиа биологический шар аксессуары аквариума практичное керамическое кольцо адсорбции

Description:
Bio balls work as a biological filter media and give a home for beneficial bacteria.
They promote gas exchange and increase dissolved oxygen levels.
Adsorption of harmful substances and fine residue in water.
Encourages growth of biological colonies, provide the most suitable living environment for your fishes.
Great for any freshwater or saltwater fish tank or aquarium.
Hollowed, can provide an anaerobic environment, reducing the content of nitrates in water.
Specification:
Material: Ceramic
Color: Multi
Diameter: About 30mm
Net Content: About 500g
Types: 1, 2, 3, 4, 5, 6
Package includes:
500g x Filter Ring
1pc x Net Bag
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-2 cm differences due to manual measurement.