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I went outside today to test my water and noticed the breaker had tripped at the sub panel. My last test was 2 days before and I haven’t used it since then so I don’t have any way to know when it tripped exactly. Flipped it back on and it’s working fine. The outside temperature has been...

Just got back from a trip and I have some cloudy water (I thought o have it enough chlorine before leaving but it burned through more than I expected). I’m due for a refill so no big deal, I’ll be draining and refilling rather than adding a bunch of chemicals to recover. I have some Ahhsome...

I bought a 2-pack of gallon containers of liquid chlorine from the HW store a few months ago. They're supposed to be 10% LC, but the first one acted more like 6% based on how much it raised my FC when adding to my hot tub. I started the second bottle today and added what should have raised...

What’s an appropriate cue for when it’s time to drain and refill my hot tub? I’m about 2 months into using dichlor/bleach (dichlor until about 50 CYA then bleach). Water is clear and never registered more than 0.5 CC, and even then it was the faintest pink so might be 0 CC. Does the CC start...

I recently tested my water, and the CC reading was pretty high. It was at 3ppm when I've never seen anything over .5ppm (even then not sure it was real, sample had the faintest pink after adding the R-0003). I retested to confirm, and neither the FC or CC chlorine readings agreed with the...

I picked up 2 gallons of 10% liquid chlorine at the hardware store last week. I added 100ml of liquid to my 500G hot tub and it raised the FC by about 3, where poolmath said it should have raised it by about 5. It’s KemTek with a date code of 2121013:15C, so the 210th day of 2021. Today is the...

Looking through the 'how to use chlorine in hot tub' article, it suggests that CYA be between 20-50ppm. Based on the amount of Dichlor I've used so far, my CYA should be about 22ppm (based on PoolMath app). The minimum that the CYA test in my K-2006C kit can measure is 30ppm, the water is...

After finding this site I drained my hot tub and started over yesterday. Had a few questions that I think I know the answer to, but wanted to run it by everyone here. Hot tub specs: 515 gallon volume ozonator. Ozone runs only when main filter pump is running (minimum of 4 hours a day, plus any...

Hi Everyone, Quick summary of my setup before my questions - 500gal Masterspa hot tub with Ozone (ozone runs with jets only, 2 hours 2x/day, plus whenever jets are run during a soak). Typical bather use is 2 adults, 3-4x per week for 30-60 minutes each time. Initial guidance from the hot tub...