PH ALERT TEST PERMANENT PH No tests, no strips. Lasts up to 4 times longer than competitive products. Continuously monitors pH in freshwater. pH Alert is a unique color-changing sensor designed to be placed in the aquarium or filter to continuously monitor pH. A sensor reversibly changes color from yellow to orange to red alerting you to pH changes...

ALERT COMBO PACK 1 AN Seachem sensor technology. Continuously monitors ammonia and pH in freshwater. No test, no strip. One-year shelf life Ammonia Alert and pH Alert feature a sensor that reversibly changes color in response to changes in freshwater ammonia and pH levels. Place them in your aquarium and access your values instantly. No chemicals...

1x disk  for Spin TouchFF marine

50x disks for Spin TouchFF marine

Spin TouchFX photometer The new WaterLink Spin TouchFF photometer does all the freshwater or seawater analyzes for you. The Spin TouchFF uses special sealed test discs that contain the precise amount of reagent needed to perform a complete series of tests. The discs are available for freshwater and saltwater. Sea water: Alkalinity, Nitrite, Nitrate,...