I may have just figured out the problem. I've been using this as my chorine (it's really a oxidizer) and this as my oxidizer once a week.

However, should I be using this as my chorine??? Is there a difference between the chlorinating concentrate and the enhanced shock?

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edit: after some research I'm finding out I haven't been using a sanitizer.... makes sense why I've been having trouble.

Do you recommend using the SpaGuard Enhanced shock oxidzer (dichlor) or the SpaGuard non-chlorine spa shock oxidizer?