Care starts with your water.
Pool chemicals and water care
MASTERsil products for pools and spas: pH and hardness adjustment, active oxygen and water clarification. Choose and dose according to measured water values.
FIFI collection · 05
Active filters
FIFI / Good to know
Measure first. Then dose.
Pool water care, step by step
Measure the relevant water values before choosing pool chemicals. Read the purpose, dosage and guidance for the volume of your pool or spa.
Using water-care products safely
Follow the instructions and safety information on the label. Do not mix products unless the manufacturer expressly instructs you to do so, and keep them out of reach of children.