Product Description
Feature:- Cotton filter for fish tank, double-layer designed, is dense and fine for water purification.
- Can quickly adsorb ammonia, nitrite, nitrate, phosphate.
- Energy medium to strengthen nitrification, stable ecology can be rapidly established.
- Can be long-term stored in a dry place!
Specification:
- 1Material: Biochemical cotton
- Color: light green
- Product weight: about 52 g
- Product size: About 120 * 30 cm
Package Includes：
- 2x Filter Biochemical Cotton
