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calcium crystals in a pool

Winter Pool Service

Winter Pool Service: Necessary or Not?

There are few certainties in life: death, taxes, deadlines, and homeowners who want to suspend or cancel pool service during the winter. We understand the logic behind suspending pool service, but we also know that the logic is based on incomplete information. As pool professionals, it is our responsibility to inform customers–homeowners who ultimately make the final decisions about their pool–about what cold water can do to their pool over the winter.

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calcium crystals

Calcium Crystals vs. Scale

NOTE: This article has been revised from its original version, due to learning more from laboratory results. We still have more unanswered questions about crystals than we have answers. Why do they harden? How many forms are there (we know of at least 3)? Why are some crystals easy to clean up, and others stubborn? What common denominators are involved, beyond cold water and lack of calcium hardness?

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