Potassium Test

THE JBL PROAQUATEST K Potassium is a specialized water test for accurately measuring potassium levels, an essential nutrient for plant growth. Insufficient potassium levels can lead to yellowing leaves, slowed growth, and poor uptake of other nutrients.

Thanks to its comparative colorimetry method, this water analysis kit provides reliable results, even under conditions of natural water coloration.

Kit contents:

1. Reagents for potassium (K)
2. Glass test tube
3. Dosing syringe
4. Measuring spoon
5. Color chart

📊 Recommended concentration ranges

Freshwater community aquarium or pond : 10–30 mg/l

This potassium test allows for approximately 25 analyses. It is recommended to use it every two weeks, especially after adding liquid or solid fertilizers, to prevent deficiencies and ensure lush plant growth.

JBL is a leading German brand in aquariums, renowned for the quality and innovation of its products for freshwater and saltwater aquariums and ponds.

For over 60 years, JBL has been developing a wide range of technical, nutritional and care solutions for fish, plants and reptiles, drawing on in-depth scientific expertise and rigorous laboratory testing.

Ideal for demanding aquarists looking for reliability and performance.