CO2 valve set including non-return valve 7070.010 and a 5 m (196.8 in.) hose 7072.300.

pH electrode Tunze in glass Made of glass, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

pH electrode Tunze plastic Made of plastic, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

MULTI-TEST CU- 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 IODE- 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 SILICATE- 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 PH- 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 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...