Description
Placing filter materials in fish tanks and ponds can filter and purify water sources, improve aquarium water quality, , stabilize pH, and naturally clarify your water.

Features
- Color - Random Color
- Material - Coral.
- Size - About 4.50X4.50X3.00cm/1.77X1.77X1.18inch.
- Aquarium filter coral stones contain natural ingredients. Please clean before use. It is best to clean with water from the fish tank or -free water.
- Aquarium filter materials can help absorb unwanted substances and increase oxygen in the water to maintain ideal water quality conditions.
- biofilters are good interaction and gas exchange between air and water. Grow healthy with these biospheres. And create a good living environment for the fish.

Package Including
500g pcs Fish Tank Filtration Materials