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.

API Test Tubes API® TEST TUBES are compatible with all aquarium water test kits and are perfect for testing multiple water parameters at once. Package includes 24 glass test tubes with plastic quick-release caps.

API 5-in-1 Tests Strips API 5-in-1 Test Strips API® 5-IN-1 Test Strips are a quick and easy way to monitor the 5 most important aquarium water parameters - pH, KH, GH, nitrate, and nitrite - in one step. Simply dip a test strip...

API high range PH test kit API HIGH RANGE pH TEST KIT for freshwater and seawater. API High Range pH Test Kit measures pH changes in marine aquariums, African cichlid aquariums and even highly alkaline tap water. The API High Range pH Test Kit measures the pH of...

Redox Controller Tunze The Redox Controller is a compilation consisting of the SmartController 7000 and the following accessories: - 7070.120 Controlled Power Socket - 7055.100 mV electrode made of glass - 7070.300 pH / mV electrode holder - 7075.150 Redox Test Solution +475 mV, 50 ml (1.67 oz.) Each in a separate package. Only...

Calibration solution 600 µS/cm For fresh water.

Buffer solution for pH 5 and 7 for all pH measuring instruments.

Buffer solution for pH 7 and 9 for all pH measuring instruments.

mV Electrode made of glass, BNC, cable length 2 m (78.7 in.), suitable to replace Redox Controller 7075.000, 7000.000 or commercially available mV measuring instruments.

pH controller (7070/2) This handy inexpensive pocket measuring instrument is supplied with a universal wall mount and electrode holder along with a long-life glass electrode, buffer solution and 9 V battery. The Auto Power Off function ensures a long life of the battery.