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Seachem Matrix
High capacity biofiltration
Controls ammonia, nitrite, and nitrate
Highly porous – enormous surface area (>~700 m2/L)
Supports aerobic and anaerobic bacteria species
Use 250 mL of Matrix for each 200 L (50 US gallons) of water.€10.50 – €31.90
€6.59 – €66.95
SEACHEM PURIGEN
Purigen®
Highest organic removal capacity
Possesses enhanced capacity owing to its vast surface area; both spherical and macroreticular
Helps control ammonia/nitrite/nitrate
Color changes as it exhausts; easily regenerated€13.90 – €39.20SOLD OUT
EHEIM Lav
EHEIM LAV consists of volcanic rock and is a natural product.
Its rough, highly porous surface structure provides the purification bacteria with very good colonisation conditions.€6.49 – €23.49
