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Have seen statements on TFP that the gas bubbles generated by the SWCG are hydrogen and chlorine. I believe chlorine reacts too quickly with water for that to be true. Although chlorine gas is stated as only slightly water soluble, that is irrelevant because it rapidly reacts with moisture to...

Blew a 2-year-old, 400W incandescent in my spa and figured I would just go to LED. Installed a 12W, 120V, daylight-white LED (Kollniun brand) that the description said was a Spa/Pool bulb. Replaced the fixture gasket even though it was only two years old. Worked perfectly with great...

When visiting a friends house in St. George, Utah, I took a look at their new pool install: 4800 gallons, plaster, about 4ft deep, automated pool cover. Then I took a look at the equipment and was shocked to see three pumps, two of them variable speed! Check out the photo. All Pentair...

Anyone else using ACID Magic in place of 31.5% HCl in their IntelliChem? Any issues? This topic appears periodically, but now from me because Leslie's Pool no longer stocks 31.5% acid and sells this instead. Leslie's was the only place I had been able to get the 31.5% acid, a concentration I...

Was looking for an inexpensive dummy cell I could modify for winterizing my Pentair IC40. There's not enough space after the IC40 to attach a saddle for a permanent injection point (run into valves for spa and water feature), so thought I could modify a dummy cell to include an injection port...

Suggestions to eliminate acid check-valve plugging? Have a Pentair IntelliPH acid dispenser with a tank-mounted Stenner pump. The Pentair 522513Z check valve plugs once a year with what looks like fine black plastic shavings. I see a very small amount of black debris in the acid tank, but...

Others have commented that ORP sensors are inaccurate. On my IntelliChem, I shift the ORP setpoint based on Free Chlorine measurement. Refilled the pool a week ago (glass tile removal -- empty to avoid shards left behind) and the ORP matching my desired FC decreased to 600mV, when before it...

Have a Pentair IntelliChem installed March 2020, part 522621, that includes the tank-mounted peristaltic pump -- the "Blue" pump. Documentation shows the peristaltic tubing is Pentair 522480 (which was also labeled Stenner UCCP202 #2 Pump Tube). But this tube is 6.25" between the black...

Have seen comments on TFP regarding ORP inaccuracy for IntelliChem. Have IC40 cell, and noticed no chlorine generation when pump on higher speed. Issue (repaired today) was leaking valve on suction side, causing air bubbles at ORP / pH sensing cell! Will continue to track, but seems to have...

Anyone have experience using an EasyTouch controlled outlet to program acid addition with a Stenner pump? Remodeling a pool (not the pool in my signature -- I'm moving), and will have an EasyTouch8 there, plus a SWG for sanitizer. Would like a daily addition of acid, but I'll need to...

Is it typical for the Pentair Clean & Clear Plus to corrode excessively? Just bought a house with existing equipment. The filter is dated 2014, and while cleaning today noticed lots of iron stain inside the filter housing, coming from the steel band around the inside. Thought this was...

Just bought a house with pool needing work (not the one in my signature). A pool contractor told me the Pentair MasterTemp 400k BTU has a maximum allowed flow rate, so I need to add a diverter valve ahead of it. This seems wildly untrue, but anyone doing something like this? Will be replacing...

Getting a new home, and want to switch to SWG when I upgrade the pool. First, do you really have to run the pump 24 hours/day for SWG? And second, this home has a septic. Where do you drain a salt pool? Finally, thoughts on using potassium chloride for the salt?

Have needed to add about 2 cups / day muriatic acid to approach pH goal of 7.5. Fill water is pH 8.0, and using a peristaltic pump dispensing 24oz/day 10% bleach. The 2C acid is about 8 times what Pool Math says, so makes me wonder what I'm doing wrong. My pH measurement tool is an Apera...

Moved to Vegas three years ago and have a 10,000 gallon plaster pool. Never had a pool before. Just switched from a pool service because I felt I could do better and avoid the strong chlorine smell. CYA was over 400. Draining the pool to start over, and will follow TFP using an initial 30ppm...