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.

Note:

1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures,,but not the same performance on different bodies as on the model.

2.Compare the detail sizes with yours,please allow 2-4cm differs due to manual measurement for the clothes, thanks All measurement in cm and please note 1cm=0.39inch

1) Buyer's early confirmation will be highly appreciated after receiving the items.
2) Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service.
3) Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding!