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    Oily substance

    I purchased a new hot tub last fall and I've tried two different brands of filters for it. Both have come with an oily substance on the plastic ends. I can see oil residue in the water after replacing the filter and I'm concerned about it. I have never experienced this before with the filters I...
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    No weir?

    I finally replaced my 30 year old hot tub and ended up with a tub that has no floating weir. I’ve noticed a scum line forms instantly with use (chemistry is good and purging was done twice with Ahhsome). This didn’t happen in my old tub that had a floating weir so I’m thinking the surface...