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Also, in trying to remove the element I noticed that the heater bolts actually seem to be welded to the heater assembly power cord. This does not match any setup I've seen in YouTube "swap out your heater element" tutorials. (1) I guess this means I probably need to replace the whole...

Thanks @RDspaguy and @JoyfulNoise. Some follow-ups: >You are corroding stainless steel. Even acidic trichlor struggles to do that, and you claim high ph. It's your salt cell most likely... in your case I suspect leakage current off your salt cell going to ground at your heater. The corrosion...

My spa heater recently failed. The spa started tripping the breaker. A tech came out and determined the heater was the cause (he disconnected the heater and the breaker stopped tripping). After the $180 diagnosis fee and a quoted $350 for replacement heater (which I can find for $228 on first...

@cranbiz Thanks for the info. I've considered getting a second filter to follow a similar swap regimen, but haven't done it. In other news, I decided to go at my filter with a hose with a standard nozzle attachment, and was very surprised to see the gray color wash right off! Per the original...

@Cousinvinny Thanks for the response, and I'm certainly open to cleaning them more frequently, but per my original questions-- why? I can find lots of opinions on when the filters should be cleaned, but justifications for those opinions are scarce. I laid out in my original post my thinking-- I...

I have a 250-gallon Fantasy Splendor spa that gets pretty heavy use, probably average 45-60 person-minutes per day. I've had the tub for 2 years. My standard filter cleaning regimen has been to "deep clean" the filter when doing refills, which are done once every 2-4 months. This is the only...

Here's what I've concluded: the smell I was noticing was the smell of oxidation byproducts on my skin. After getting out of the tub, particularly if the session has been brief (or if you dip your hand in for a minute or so) there are still oils etc on your skin, along with droplets of...

@Tres Gatos I'm considering adding an MPS-based oxidizer (like the "spa oxidizing shock" you recommend), but I'm wondering whether this is actually useful. Happy to be corrected on this, but to my knowledge the only good reason to use MPS in a chlorine spa is if you want a lot of...

Thanks all for your feedback. A few comments: - Before my last refill (approximately three months ago), I did a thorough purge with Ahh-some (I did get some biofilm discharge, but not too much-- the tub is about a year old). So I don't think biofilm in the inner plumbing is the problem. - I...

I've been using the dichlor/bleach method in my spa for about 3 months (CYA ~35 ppm). I've generally been diligent with the bleach (using Walmart "Great Value" 6%), but there have been a few times where I forgot for a few days and the FC got very low, possibly down to 0. Whenever this occurred I...