$5 - $10

CM-240 Test Strips: Chlorine Roll 0-200ppm by AquaPhoenix

Hydrion Chlorine Test Paper provides a simple, reliable, and economical means to measure the concentration of free available chlorine in sanitizing solutions. With color matches at 10-50-100-200ppm, the test paper measures concentrations between 10-200ppm.

Each carton contains 10 kits, each consisting of a 15-foot roll of test paper and matching color chart, plus 1 additional refill roll. Provides for approximately 2000 tests.

SCT-108.002.IA DO Electrode Electrolyte by ScichemTech

• DO electrode electrolyte
• Supplement electrolyte
• Special for DO electrode
• Specification: 30 ml/bottle

PHPROBECAP pH Probe - Screw Type Storage Cap by Bluelab

It is essential that the storage cap is placed back on the probe tip of the pH probe after use and when being stored. "If it dries it dies!"

Keep the pH probe tip wet by ensuring there is enough Bluelab pH Probe KCl Storage Solution to cover the probe