Carefree pool enjoyment
Good water quality and a perfectly filtered pool are the most important prerequisites for enjoying your pool without worry. 
To offer optimal water quality, we recommend five steps.

Step 1: Adjusting the pH values
Step 2: Disinfection
Step 3: Algae control
Step 4: Flocculant
Step 5: Additional products

pH-plus of pH-minus?
There are two types of pH, pH-minus and pH-plus. 
When the pH value is below 7.0, you have to raise the pH and this is done with pH-plus.
When the pH value is above 7.4 you need to lower the pH and this is done with pH-minus.