Seachem Ammonia Alert digital Copper-Free & Fast-Acting - Safe

Copper-Free & Fast-Acting - Safe for use in copper-sensitive systems (though not suitable for invertebrates) and delivers quick relief when applied correctly

Safe for use with medicated foods (to attract the interest of finicky eaters to the medicated food)

These tabs are inserted into the gravel

Red Sea’s MAGNESIUM contains blended salts of Magnesium and is part of Red Sea’s complete Reef Care Program

Designed for Aquascaping - By hiding heaters and maximizing filtration

Seachem Ammonia Alert digital Copper-Free & Fast-Acting - SafeAmmonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0. 05 mg L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year. This product is not recommended for use at acid pH. Marine or