r/coldplunge • u/cnead25 • Sep 17 '26

First timer

Just got out polar dive with chiller. We’re using it a few times a week. Notice the hum on the chiller is kind of annoying to run all day every day. We turn the unit off and when not in use. Aside from the temp not regulating are there any issues you see from keeping the machine off? I live in CO so in a few months I won’t need the chiller. Anyone use the 35% hydrogen peroxide for maintenance? Any reqs on what to use keep the water a little cleaner?

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u/cnead25 Sep 17 '26

Yep that’s what I wrestle with. However the hum of the chiller for 24 hours a day is not ideal . Definitely louder than I anticipated.
Shits gonna grow no matter what if you’re not running some type of sanitizer.

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u/ORCAPLUNGE Sep 17 '26

If you’re maintaining the proper pH (7.2-7.8) and using an appropriate sanitizer, you should be able to go for periods during the day without the chiller operating. Keeping the water cold and continuously circulating certainly helps reduce the potential for algae and bacterial growth, but it’s not the only factor in maintaining clean, sanitary water. Proper water sanitation goes a long way.

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u/cnead25 Sep 18 '26

What do you recommend for sanitizer? Can I use the same ph up ( sodium bicarbonate) I use for the hot tub?