Hot Tub Calcium Hardness DOESN’T MATTER? 🤔

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The Hot Tub Video Course: https://swimu.com/spacourse

Swim University makes pool and hot tub care easy for millions of homeowners. Each year, we continue to help more people with water chemistry, cleaning, and troubleshooting. We know taking care of a swimming pool or spa can be difficult. And it’s hard to find a trusted source of information. This is the reason we created Swim University.

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Видео Hot Tub Calcium Hardness DOESN’T MATTER? 🤔 канала Swim University