The VISOCOLOR® testkits are devided into VISOCOLOR® alpha, ECO and HE. Every product range offering its specific strenght to provide a tailored test for each and every user and application.

• Portable
• Environmentally friendly
• Convenient handling
• Application-oriented measuring ranges

Sulphite ions are not present in natural unpolluted waters, however they often appear in large quantities in industrial waste waters (e. g. paper mills, dye works).