FAQ
The pool walls In my swimming pool/pool are slippery.
- Algae growth on pool walls due to insufficient disinfection.
- Bacteria growth on pool walls due to insufficient disinfection.

The pool walls in my swimming pool/pool are rough
- White lime deposits due to lime precipitation with pH levels higher than 7.8
- brown deposits, caused by diatoms
- Brown deposits in pool water due to iron (TIP: put a rag soaked with Metal EX or the edge of a freshly cut lemon on the deposits. If the colour changes to a lighter tone, it is iron)

The content of combined chlorine in my swimming pool/pool is too high (> 0.2 mg/l).
- High organic loads in the water, insufficient or too infrequent backwash with an appropriate addition of fresh water, poor or inadequate flocculation.

When swimming in my swimming pool/pool, there is a chlorine odour and there have been skin and eye irritations.
- Too much combined chlorine in the water.

I have a correct chlorine level, but the water is green
- pH value is too high
- Cyanuric acid too high, causing a measurement error
- Metal enrichment in water


