Calibration of conductivity/salt meters requires a test solution with a known salts level. Optimum Hydroponix 13823 ppm offers a reliable, cost effect option.
Optimum Hydroponix TDS Calibration Solution 1382ppm 500ml
SKU: WE-OPT13/82
C$18.30 Regular Price
C$14.64Sale Price
Read label before using. Keep out of reach of children and animals.
Storage: Store in a cool place. Protect from exposure to excessive heat.
Safety Precautions: Do not swallow. In case of contact with eye; rinse with water for 5 mins; consult a doctor.
