MULTI-TEST PO4- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample...

MULTI-TEST FE- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample as...

MULTI-TEST NO2 AND NO3- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test...

MULTI-TEST NH4- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample...

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...