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We'll be leaving the heat in SW Florida for, hopefully, the cool mountains of North Carolina for September and October. The spa has been perfect, thanks TFP, since November 2019 but I want to shut it down while we're gone and refill when we return. I have our spa startup chemistry well...

Our 20 year old marcite pool was resurfaced in PebblesStone 5 years ago. We've just started getting a couple of calcium "bumps" and scaling. The outfit that did the pebblestone reports this is "normal" as these surfaces can cure for 5-7 years. They recommend acid washing with the following...

Just received TF-100 kit and ran through the tests. Everything was as expected except Calcium Hardness. The instructions state 10ml of pool water...10 drops of r-0010 and 3 of R-0011L...followed by R-0012 in drops x 25 to get final reading. By this method 35 drops of R-0012 were required...

Sometime next year we'll retire and leave the in ground pool and Hot Spring Spa fo9r 6-9 month/year. So, my questions are: SPA Drain and turn off? Pool We're currently using chlorine/acid. Convert to salt generator? If so, what's the least expensive and what maintenance will be required...

We'll be leaving soon for 10 days of much anticipated vacation. Both our 12,000 gallon in ground and 325 gallon Hot Spring Spa live a simple live of bleach/acid along with an appropriate levels of CYA and Bromide. Its NEVER been easier and cheaper to maintain both. Typically both get a dose...

My spa has been wonderful since getting everything balanced and adding boric acid for borates. Yesterday I need to increase Ph and followed Pool Math's suggestion to add borax. So the question is does indirectly adding borates via borax to raise Ph cause a problem if it also raises borates...

I just sent off my donation but wanted to leave kudos to everyone involved with TFP. I've been around the site for a year or so but only got serious a month ago or so when we got a "new to us" Hot Springs spa. Everything I needed was here....from the Ahh-some cleanout through balance, CYA...

Pool is working perfectly with chlorine TFP. Added Borates and love the feel and chemistry stability now that everything is "just right". My final area of curiosity now is pump circulation run time. Our pool is enclosed in our screened patio and use Hayward Ultra pool vac so debris is really...

Pool is 16'wide by 32'long rectangle. 5.5' deep in the middle sloping to 4.0' at the ends. Think volleyball pool configuration as slope up from middle is even on both ends. What gallonage do you calculate? Thanks Randy

Greetings - Long time believer and user of TFP and now ready to borate. 55lbs of Duda boric acid arrived yesterday. Just took Taylor K2006 readings: FC 3.0 CC 0.0 Ph 7.8 TA 90 CH 330 CYA 50 Do these appear inline to go ahead and do the boric acid dump? Lamotte, Insta-Test Borate Test...

New to us Hot Springs Prodigy with Ozinator (seems to be working correctly). Seller included new Nature2 cartridge and new Tri-x replacement filters. Using PoolMath start-up was easy. Adjusted TA, Ph, CH and added borate and CYA per recommendations. Spa is EZ to maintain using 6% Bleach...

Just bought a used Hot Springs Prodigy in great shape but wanted to know it was "right" before we climbed in. First round with this stuff was black. This is round 2. Thinking I'll do round 3. Sent from my iPhone using Tapatalk

20 year old, 17000 gallon rectangular pool resurfaced with quartz 60 days ago. Testing with Taylor K2006. Today's test results with water temp 87-88 F FC- 2.5 (try to keep this around 4) pH - 7.6 TA - 65 CH - 260 CYA -30 (although probably 0 since none added since resurfacing and using liquid...

Our marcite pool lasted form 1995 to 2015 with few problems. After testing weekly for years I resorted to "feel" and the occasional trip to the pool store (PAP) here in Florida to let them do the check. Over the years about the only "problem" we had was the occasional flare up of algae when...