JBL Aqua Water test jbl proaquatest ca calcium

Perfect plant growth: determining the optimum magnesium level for fertilization control in freshwater s. Laboratory comparison system to compensate for clean water 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. Lack of magnesium causes stagnant growth and pale leaves in aquatic plants. Remedy: a magnesium-containing fertilizer such as JBL Ferropol, JBL ProScape Mg Macroelements. Included: 1 Mg Test for approx. 60 measurements, 3 reagents, 2 screw-top glass test tubes, syringe, comparator and colour chart. Reagent refills available separately.