JBL Aqua Water test jbl proaquatest ca calcium

Determination of phosphate levels for optimum plant growth or to findorigine algae in seawater, freshwater and ponds. Laboratory comparison system to compensate for the water's own coloring: fill test tubes with water to be tested, add reagents to a test tube, place test tubes in the test block, record values on the color chart.use: new freshwater/seawater tanks: once a week. Includes: 1 test kit for approx. 50 measurements, 3 reagents (2 x reagent 2), 2 screw-top glass test tubes, syringe, measuring scoop, comparator and color chart. Reagent refills available separately.