pH Control and Testing
Showing 97–108 of 552 results
- 25%
Bluelab TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester in Water (Scales Include: EC, 500, ppm 700, CF, TDS) Tool for Hydroponic System and Indoor Plant Grow, White
Original price was: $140.00.$105.00Current price is: $105.00.
- 23%
Buffer, Reference Standard, pH 10.00 ± 0.01 at 25°C (Color Coded Blue)
Original price was: $155.18.$119.47Current price is: $119.47.
- 23%
Buffer, Reference Standard, pH 4.00 ± 0.01 at 25°C (Color Coded Red)
Original price was: $154.73.$119.11Current price is: $119.11.