JBL Pro Aquatest CombiSet Plus NH4 Master Test Kit

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Test case with the most important water tests for freshwater aquariums, including ammonium test

Healthy aquariums with conditions close to nature

The right water values are dependent on the fish stock and the plants in the aquarium. Even if the water looks clear it can be contaminated. Bad values can cause diseases or algae in the aquarium. To maintain a healthy aquarium with conditions close to nature it is important to check and adapt the water values regularly. With JBL Pro Aquatest Combi Set Plus NH4 water tests you can determine all relevant water values quickly, easily and very precisely.

The following tests are available:
pH test: acidity of the water from 3.0 to 10
CO2 test: determination of the carbon dioxide content for thriving plant growth
KH test: pH stability of the water (carbonate hardness)
NH4 / NH3 test: indication of non-toxic ammonium, determination of the toxic ammonia using table
NO2 test: determination of nitrogen compound nitrite, which is toxic for the fish
NO3-Test: determination of the nitrate content (reason for algae growth and plant nutrient)

To determine the CO2 content you just need to measure the pH and KH values. From both values arises the CO2 content in the water, which then can be referenced from the enclosed table.
With our research department and our worldwide expeditions into the habitats of the animals we permanently set new standards with our product innovations.

You can analyze the water values you have measured in the JBL Online Laboratory free of charge and receive recommendations.


Monitors the water values in aquariums simply and reliably. Determines: pH value, carbonate hardness, nitrite, nitrate, and ammonium/ammonia, as well as CO2 calculation using the table.

Easy to use: add aquarium water to cuvette with a syringe, add indicator and compare color on color scale, or count drops until color changes in KH test

Comparator system takes the inherent water coloring into account. CO2 content is determined by pH value and KH value using the table

Childproof reagent bottles, waterproof plastic case, refill reagents separately available

JBL Pro Aquatest Combi Set Plus NH4 Master Test Kit, Package contents: 1 test case for aquariums, 9 reagents, 3 glass vials, syringe, measuring spoon, comparator block, color charts, report sheets, operating instructions