pH, Salinity and Temperature Monitor Hi981520 Gain confidence in your water testing results with our simple handheld colorimeter. Trust your readings now, our iodine colorimeter brings you more accurate technology than your average chemical test kit. Eliminate the struggle of determining colors visually, with our handheld colorimeter gives you digital iodine results...

Reference solution for photometer hi 782 (No3) The Marine Nitrate High Range Checker® HC Calibration Check Set - HI782-11 provides a simple solution to validating the Marine Nitrate High Range Checker® HC - HI782. This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis. The Certificate of...

Liquid Reagents KH Set for hi 755

Calibration checking set for HI 718 (Iode)

Reagents for HI 718 (Iode) - 25 tests

Iodine&nbsp;Checker Gain confidence in your water testing results with our simple handheld colorimeter. Trust your readings now, our iodine colorimeter brings you more accurate technology than your average chemical test kit. Eliminate the struggle of determining colors visually, with our handheld colorimeter gives you digital iodine results directly.<br...

Calibration checking set for HI 784 ( ammonia )

Reagents for HI 784 (Ammoniac) - 25 tests

Ammonia&nbsp;Checker Why measure ammonia concentration in an aquarium? High ammonium values indicate disturbed or not yet fully balanced bacterial activity in the filter. Ammonia (NH3), forms from ammonium (NH4) at pH values above 7 and is particularly dangerous. Ammonia values of 0.02 mg/L are sufficient to cause long-term gill damage. [...]

Calibration checking set for HI 783 ( Magnesium )

API Calcium test kit API CALCIUM TEST KIT for Seawater API CALCIUM TEST KIT measures calcium levels down to 20 mg/L to help you keep your reef population healthy. <Calcium is one of the most important elements in a reef aquarium. Invertebrates, such as corals, crustaceans,...

Reagents for HI 782&nbsp;(No3) - 25 tests