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I already have an ambient temp sensor and currently it does alternate between pool and spa in freeze protection mode, so I think that's working perfectly. When I turn the spa on, only water in the spa is circulated through the pump & filter; there is no spill-over in spa mode. So I'm thinking...

Wonderful! Thanks so much. I'll certainly give this a try before I add borates.

I CAN run my spa as a spa, with my EasyTouch, I just have never tried to turn the spa all the way off. Here's a photo of the subject piping (ignore the trichlor feeder (it is empty)): This is the configuration when the return is to the pool. Looking at this anew, I'm guessing that the...

This is exactly my approach right now. I'm doing my best to honor their parameters, but at the end of the day that might not be possible without daily chemical additions which is not sustainable for long periods of time.

I'm wondering if they piped it the way they did so the spa piping was always protected by the automatic freeze protection in the winter (no opportunity to bypass this functionality)... I'm thinking that it would be a huge bummer if the spa piping froze and burst. This is the best rationale I...

My pool was refinished to a PebbleTec PebbleFina finish 3.5-months ago. I am currently running it as a liquid chlorine system, but an thinking about switching to an SWG system. I am trying to maintain chems within the PTI values and am continuing to make small additions to try and nudge the...

Thanks much for the reply. I was going by information provided to me by the PebbleTec installer. The numbers you provided (from the PTI website) give me even more interest in trying to stabilize pH and TA within these ranges. I'm very interested in learning whether the chemistry experts...

It's an issue of plumbing... I'd have to redo the way it's plumber in order to be able to isolate the spa. I may look into doing that.

Very interesting! BTW, I intend to win bets this winter with the water freezing phenomenon! What's your cut? ;) Given my past bad chemistry experience, I'm more nervous than a double-shot espresso in a double-shot espresso! Thanks much for the encouragement to chill a bit.

OK friend, I'm very jealous of your stable chemistry. I want my pool to be like your pool when it grows up! My pool has a small spill-over water fall from the spa that cannot be isolated (turned on/off). Hence, if I'm not mistaken, this in and of itself will tend to raise pH (aeration). But...

Interesting! Thanks for broadening my perspective!

Thanks much for your thoughts and experience RE: limited use of pucks! I DO NOT ATTRIBUTE MY SCALING PROBLEM TO THE SWG. I abandoned the SWG once I took over chemical management in order to remove a variable and the unknowns that come with it. I was using a pool service and having algae...

Thanks so much for schooling me on rapid Cl depletion if the Cl/CYA ratio is out of whack!

No idea on the CH before scaling. I was using a pool service and trusting that they knew what ther were doing... Bad mistake! I actually used 3 services over the 6-year period. That they did not know what they were doing ultimately manifested itself in me having repeated algae problems...

My pool was recently refurbished with a PebbleTec (PTI) PebbleFina finish. While I want to maintain the chemistry within the PTI recommendations as much as possible, I travel a bit and am trying to figure out how to manage chlorine levels while I'm gone. I use Pool Math 100% of the time (I...

First let me thank you all for helping my family enjoy our pool! I'm considering adding Borates to my pool to try and get more pH stabilization and have several questions. Background Chemistry pH TA CH CYA CSI FC My Pool 7.7 60 400 40 -0.06 4 PebbleTec (PTI) Rec. 7.2 - 7.6 70 - 100 150 -...

In Tulsa, Oklahoma I get 10% liquid chlorine at Home Depot. The cost is $10.00 for 3 1-gallon jugs ($3.33/gallon).

I am an avid TFP user/fan. Following what my pool builder called a "bad plaster job", I recently (June) had my pool replastered with a PebbleTec PebbleFina material. I've got it lined out chemically (CSI consistently between -0.3 and 0.3). I mostly add only liquid chlorine daily (sometimes some...

Help please. I use liquid chlorine as my primary sanitizer. As I will be going on vacation this summer, I want to use the Pentair Rainbow 320 tablet chlorinator that's on the system (just while we're gone). I am doing some testing to see how long tablets last, how much chlorine they're...

Re: Best Places to Buy Liquid Chlorine - Gilbert AZ 8/6/18; Tulsa, Oklahoma; Home Depot; HDX Chlorinating Liquid; $3.33/1-gallon jug (comes in a box of 3-gallons = $9.98); 10% chlorine; $0.26/ounce sodium hypochlorite