JBL Water test ProAquaTest KH

Simple and safe control of water parameters in aquariums and ponds. Determination of the optimal carbonate hardness for freshwater and seawater. Colour test: fill the plastic test vial with the water to be tested, add the reagent drop by drop until the colour changes from blue to yellow. Number of drops = carbonate hardness level. Usage: when setting up a new tank: once a day in the first week, then once a week. On the site JBL/Themes/Aquarium or Pond, you will find detailed information on water analysis and troubleshooting. Contents: 1 KH quick test, 1 reagent, plastic vial. Reagent refills available separately.