Seachem Ammonia Alert fertilizer Exhaustion is indicated by a

Exhaustion is indicated by a pronounced discoloration of the beads to dark brown or black

Wait 2 hours to read Co2 levels

It's a favorite among aquarists of all experience

peaceful fish bring understated beauty and charm to your tank

especially in fighting fish

Seachem Ammonia Alert fertilizer Exhaustion is indicated by aAmmonia Alert is an innovative color device for detecting & monitoring toxic free ammonia. The sensor changes from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures needed. Features: Sensor technology, Continuously detects & monitors, Lasts over a year.