JBL ProAquaTest NO2 Nitrite Refill Nitrite is a toxic nitrogen compound, produced when there is a disturbed bacterial balance or when the water is rewatered. The test displays the exact nitrite content of the water. Laboratory comparison system to compensate for the water's own coloring: fill the test tubes with water to be tested, add the reagents...

JBL ProAquaTest KH Carbonate Hardness Refill Simple and safe control of water parameters in aquariums and ponds. Determination of the optimal carbonate hardness for freshwater and seawater.Color test: fill the plastic test tube with water to be tested, add reagent dropwise until the color changes from blue to yellow. Use: When using water for the...

JBL ProAquaTest pH 7.4-9.0 Refill Simple and safe control of water parameters in aquariums or ponds. Determination of the optimal pH in freshwater and seawater.Comparative lab system to compensate for the clean coloring of the water: fill the test tube with water to be tested, add reagent in a test tube, position in the block, read the values on...

JBL ProAquaTest pH 6.0-7.6 Simple and safe control of aquarium water parameters. Determination of the optimal pH for freshwater aquariums. Comparative lab system to compensate for clean water coloring: fill plastic test tube with water to be tested, add reagent to one test tube, place both test tubes in the block, read the values on the color...

JBL ProAquaTest Cu Copper Simple and safe control of water parameters in aquarium/pond. Determination of the optimal copper level for heavy metal control in freshwater and seawater. 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 the test tubes in...

JBL ProAquaTest Cu Copper Refill Simple and safe control of water parameters in aquarium/pond. Determination of the optimal copper level for heavy metal control in freshwater and seawater. 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 the test...

JBL ProAquaTest SiO2 Silicate Silicates (silicic acid) cause unsightly diatom algae. This test is used to determine the silicate content of freshwater or saltwater aquariums for diatom control. Comparative laboratory system to compensate for the water's own coloration: fill the test tubes with water to be tested, add the reagents to a test tube,...

JBL ProAquaTest SiO2 Silicate Refill Silicates (silicic acid) cause unsightly diatom algae. This test is used to determine the silicate content of freshwater or saltwater aquariums for diatom control. Comparative laboratory system to compensate for the water's own coloration: fill the test tubes with water to be tested, add the reagents to a test...

JBL ProAquaTest Easy 7in1 Test strips for 7 important water parameters in 1 minute: quick orientation test for aquarium, pond, well, spring and pipe water. Easy to use: shake the test strip in the water for 2 to 3 seconds. Remove it from the water and drain it horizontally. After one minute, compare the test strip with the color chart on the box....

JBL ProAquaTest Mg Magnesium Fresh water Refill Perfect plant growth: determination of optimal magnesium levels for fertilization control in freshwater aquariums. 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 holder block, read the...

JBL ProAquaTest Mg Magnesium Fresh water Perfect plant growth: determination of optimal magnesium levels for fertilization control in freshwater aquariums. 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 holder block, read the values...

JBL ProAquaTest CO2 Direct Simple and safe monitoring of aquarium water parameters. Determination of the optimal carbon dioxide content in freshwater aquariumsUse: fill the plastic test tube with water to be tested, add the reagent drop by drop until stable pink coloring. Number of drops x 2 = CO2 content in mg/lUse in case of no or poorly growing...