Hanna Primo TDS Tester flowering Perfect for growing salads and

Perfect for growing salads and herbs or for early season seed starting

Mighty Bomb V2 has been formulated to be unlike anything on the market today

This is wasteful and deceiving

Weight (lbs): 3

Total Nitrogen (N) 1

Hanna Primo TDS Tester flowering Perfect for growing salads andPrimo 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