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：
1/2/3x Filter Biochemical Cotton