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Thank you. It will help.

As I mentioned "turn on 30 min prior to all testing" is ambiguous. It could mean "the entire ONCL Test procedure", which includes the two chemical tests and an overnight period ... with the pump on and the SWG off. Normally, I have the pump off from 4:30pm to 7pm during dinner and evening for...

Yes, but with maple tree helicopter droppings going on constantly, I would have to get up every 2 hrs during the night to empty the skimmer :). That's mainly why I was looking for clarification.

On this page, which was last edited in June, can you please add some guidance on overnight filter operation? It isn't clearly stated here, yet it is implied if you are SLAMming because that process expects continuous operation. If I am only using the OCLT to detect if there is a problem in the...

Yeah ... I have 6 gallons... probably enough for me and my neighbor to close our pools this year. Thanks for the link to review.

Thanks everyone for your input. The pool cleared up by August 15 and then, since it was cooler here in Buffalo, took another 10 days or so to get the FC down from 24 ppm to 12 ppm. While that was happening I repaired my SWG and got that running again through the calibration, etc. Ran the T-5...

Success. I chose to remove/replace the thermistor instead of snipping off and soldering to the existing leads. I made sure to have a soldering iron with enough power to heat and melt the existing solder in the larger heat-sinking pads. I bought a soldering kit ... but found that the provided...

Well, the Hayward diagnostic guide also said to test the transform output blue/white and grey/violet pairs for resistance... and, unless I'm doing that wrong, they were both 0 instead of the 2-3 ohms expected ... so it could [also] be a transformer. TBD. Thermistor first.

Got lucky that the unit was misbehaving on the bench today. Check out what happens when you squeeze a thermistor ... NOTE: Don't use your hand if the unit has been on for a while ... the thermistor gets too hot to touch under normal operating conditions. Others have shown use of a large clip to...

I wasn't testing multiple times for the results ... I was trying to figure out how to get a consistent and valid measurement by repeating the measurement when they didn't make sense. I'll be sure to take circulating measurements from now on for at least consistency on that front ... Thanks for...

Well, I'm not running the pump 24/7, so something will be needed to compensate. I bought a new T-5 in 2020. My SWG unit is failing right now (I'm chatting about that on another thread), most likely the thermistor. If the cell is also failing for some reason, I'll be sure to consider the upgrade...

I had seen the advice to replace thermistor on many posts. I just wanted to be sure I was going through the troubleshooting steps and making the right repair before committing to replacement. The bench testing done last week seemed not to point there ... but the strange behavior this morning...

Cell S/N: 3E20154... purchased just as the pandemic broke out, as my previous cell was already 8 yrs old. Using an analog meter, so approximations. Base voltage on main board matches display at 29.5v. Other test points are near 5v as expected. That's at a bench, simply powered up. Nothing on...

My SWG has been out of commission for a month. All liquid Cl from pool store since. (No, haven't pivoted to Walmart bleach yet ... I'm a slow ship to turn ...). Only thing added to the pool besides the documented Cl has been the rain and any accompanying tree debris. Last evening: Vacuumed and...

Advice was to use 1 heaping dose of DPD powder, and then let drips fall naturally from the bottle without squeezing, and swirling tube constantly. Did all but the natural drips ... nothing was dripping out without a little encouragement. So, each drip I went through the whole cycle of...