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Hey Pool Owners: There's one chemical that you should absolutely avoid adding to your saltwater pool. You may have heard of pool shock and how it can help kill off contaminants and remove chloramines. Some types of shock are okay to use. non-chlorine shock AKA Oxidizer is great to use weekly to help refresh your sanitizer.

Die Cooler shock is helpful for bigger issues like algae, but if you have a salt system, avoid using calcium Hypochlorite shock AKA Cal hypo shock. That's because calcium in your water can cause calcium buildup in your salt cell and over time that buildup will stop your salt water system from working properly. Follow us at Swim! University for more pool care tips throughout the year.

9 thoughts on “Do not put this chemical in your salt water pool swim university”
  1. Avataaar/Circle Created with python_avatars Aquanut Academy says:

    As long as you don't put it in the skimmer there will be no issue.

  2. Avataaar/Circle Created with python_avatars Go Rockets says:

    Monitor your calcium levels and use occasionally. If you maintain your pool water properly you should never have to shock anyway. Depending on where you are in the country city tap water can be low in calcium hardness so this is a nice slow way to raise it and keep it in the right levels of hardness. Are you in Barrhaven ?

  3. Avataaar/Circle Created with python_avatars KHMOM says:

    I'm so overwhelmed by all of the start up instructions. Might take the pool back at this point. 😅

  4. Avataaar/Circle Created with python_avatars General Lee 01 says:

    I been using Cal-Hypo shock in my above ground Salt water pool for almost 3 years now the Same brand you just showed too. I also just bought 2 boxes of 24 packs of it. This is the shock my pool supply company gave me to use they know I have a salt water pool too cause they sold it to me. I haven’t had any issues yet with calcium build up. I do take everything apart at the end of the swimming season and clean and store it.

  5. Avataaar/Circle Created with python_avatars Kevin Gatton says:

    Just keep pH low and clean Salt cell regularly

  6. Avataaar/Circle Created with python_avatars nutman says:

    Poggers

  7. Avataaar/Circle Created with python_avatars DdDten says:

    Does most packaging of this type of shock tell you to avoid use with salt water pools?

  8. Avataaar/Circle Created with python_avatars Uk Pool Doctor says:

    You definitely don’t need extra calcium Service area Orleans??

  9. Avataaar/Circle Created with python_avatars VirtuousCookieEater says:

    So the answer wasn't Dot 3 brake fluid?

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