High capacity biofiltration Controls ammonia, nitrite, and nitrate Highly porous – enormous surface area (>~700 m2/L) Supports aerobic and anaerobic bacteria species
$16.99
$15.99
$119.99
$5.99
$49.99
$399.99
$79.99 Original price was: $79.99.$69.99Current price is: $69.99.