Hanna HI731315 Glass Cuvettes for Checker HC - Replacement Set of 2 with Caps non-fluoridated water filter Do not use solutions past

Do not use solutions past expiration date

and unpleasant tastes and odors

and greenhouse nutrient solutions

Hanna HI767 Marine Nitrite Low Range Checker HC – Precision ppb-Level Marine Testing

Hanna HI731315 Glass Cuvettes for Checker HC - Replacement Set of 2 with Caps non-fluoridated water filter Do not use solutions pastThe HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for adding correct volume. Test more samples and average your results for the best accuracy. Perfect for replacing scratched or discolored cuvettes. When using a colorimeter or photometer it is important to use clean