THE TRUSTED POOL CARE EXPERTS

Answers to Basic Pool Questions

Waterline Build-up

What is it?

A greasy coating on the walls along the waterline of the pool is evidence that there is a saturation of undissolved materials in the water while a ring of rough patches may be a sign of scale. Most of the time, oils,lotions, and other organic contaminants that enter the water via swimmers cause the greasy buildup. Scale conditions are due to hard water problems or failure to correct water balance issues. Please visit the Scale troubleshooting​ section for more info on that problem.

To remove waterline build-up:

To remove contaminants:

Do you have a problem that you don’t see listed?

Your local BioGuard Dealer can help you diagnose and solve your problem! Stop by with a water sample to get started.

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