Hanna Primo TDS Tester lighting-&-electrical-components Chain hang or wall mount

Chain hang or wall mount

Phat filters remove the strongest and most potent plant odors

Make your own custom-length bags by cutting what you need from the roll

Simple installation with strong metal pole

9 inches to 22

Hanna Primo TDS Tester lighting-&-electrical-components Chain hang or wall mountPrimo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning and filtration systems. Temperature is compensated automatically to ensure readings are consistent to the standard or