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It does the trick. But it doesn't solve the inaccuracy of the test method, so it still doesn't help. Instead of a 'guess' you have a diluted guess. :ROFLMAO: With your new kit, you will also be able to test to prove that the algae is in fact gone. The lack of this ability ensures...

Here's my house. Just saying.

Nope. No deadly error likely. Rashes are common but the terrible things are incredibly rare. But you'll have algae and foam. Like you do. It's unsightly, but harmless. (y)

Algae grows exponentially, and the amount of chlorine needed goes up as with it. (Luckily not exponentially, but still, it aint cheap). The best you can hope for right now is to try to not let it get any worse by adding 5ppm a day. Or go try somebody else's way. But we don't know...

You are playing blind darts. The CYA is the most critical value because it decides the proper FC level accordingly. You are throwing chemical money down the tubes by either not using enough, or risking damage by using too much. My SLAM had that exact foam. Your foam is likely part of...

Organics (algae) and the UV from the sun deplete FC. When the sun is removed from the equation, there should be no FC loss. Between some minor testing variance, environmental crud blowing into any pool, and residual bather waste if swimming occurred, any pool may be ok up to 1 ppm FC...

Yeah. It ain't free when it's used to charge you for a bunch of expensive and potentially harmful chemicals. Half(?) of what they have is laced with copper. So the test kits fall into 2 price points. K2006 : too small TF100 : 2.7X the supplies ------------------------------- K2006*C* ...

That's their worst test, proven time and time and time and time again. It tells you nothing and only makes you doubt yourself. Don't take my word for it. Read. Read and read and read. There are literally *thousands* of threads here about pool stores botching the CYA test, of the...

Use fire instead to boil the spa. It's equally as misguided for the application but at least it will work for sanitization. And bonus points for chemical free. (y)

Please consider that the levels used for treating drinking water are far more than what causes staining in pools. In holding tanks that sit sealed extendedly, a non contact killer sanitation method is Ok because no new organics/bacteria were added in the time it took for the metals to...

^^^^^ this. To me, the best you can argue is that there was 2 or 3 years left on the life of the plaster. Conventional wisdom says it's easy to accelerate demise when any product is already near that point at the time of XYZ work. If you needed extensive work done on a 2006 vehicle...

This was 3 years ago and presumably for years before that, per your own words. Whenever you decide to take control of your pool, we will be happy to show you how. Take care.

Can't be. It burns off so quick that no matter how concentrated the manufacturer made it, it would be 12.5% by the time it got to the pool. Somewhere around there is where the degrading slows and takes longer. Most 12.5% unless it's completely fresh from a bulk supplier will be 10% by the...

*please excuse our terrible manners. Welcome Sbus !!! :)

And once it starts causing issues you cannot remove it without draining. My kids turned green at a neighbors house back when. I saw it with my own eyes. They also got rashes from the 'lower chlorine needed to sanitize' because that is an industry lie. This is one of my biggest beefs...

It's definitely come up a few times and probably was buried deep in a thread full of chemistry questions. There is plenty of stuff throughout pool school that either didn't age well or was fine tuned / tweaked / evolved over the years. It's a never ending battle. Lol.

This has been discussed previously as out dated and needing to be removed. It is now believed that the success with lower SWG FC is due to the constant addition of residual sanitizer to the pool. With less fluctuation than a liquid chlorine dosed pool, one can run lower FC and still...

You have the message wrong. :) Ozone = zero residual sanitizer SWG = full residual sanitizer The CYA is higher for the SWG as the unit adds chlorine very slowly, unlike liquid chlorine users that spike the FC in one shot and it drifts down. So SWG pools get more CYA to help buffer the...

We do. On a case by case basis, with a long disclaimer of how to use it properly to not kill the filter media. Which is almost never. Discussing the rare occurrence on the regular does a huge disservice for all the newbs coming in grasping at straws and hoping for a silver bullet...

Hey Heard !!! Look up the ColorQ. It's a similar photometer thay has been proven here time and time and time again to be considerably off. Many of the older pool store testers were also photometers and were responsible for many members finding their way here. Search and read their...

I’m sorry but I spit out my coffee at this one. That Florida condo was built to code with many clipboard-y people supervising. We have a joke amongst the hard hats in regards to any inspector / supervisor : ‘I have zero idea how to do your job, but this clipboard says you’re doing it...

^^^^. And it took 4 days to get a test kit to have answers and a game plan. And the kit came broken. I think all parties have done spectacular with the hand we’ve been dealt.

Oh C’mon !!! It was funny. :)

Just stumbled across this. Maybe science doesn't always have the answers. Or, at least the scientists that get to name things.

Many members here with skin issues have found salt to be much better for them. At my pool. It was a few friends that couldn't swim anywhere but my house, so although it wasn't my family's ordeal, I did see it firsthand. (Or was told about it and thanked for making it nice for them)

My kids got the green hair and rashes in a matter of 2 weeks at a friend's house before they pulled the plug. I imagine an algae swamp would have ensued but it never got that far. @Abnaxis I forgot to mention that I have personal experience with these systems when used as directed and it's...

I tuned green from the manufactures recommendations alone. Just thinking about the rashes made me itch. 0-20 ppm CYA .5 -1.5 ppm FC We can barely get new folks to test/add every day, they'd need to test every half hour with little/no CYA. In a hot climate they would need to test/add...

This was a funny anecdote from ecosmarte Are pool ionizers safe? A. Not only are they safe, but the minerals used for pool water purification are recognized as essential minerals to the body. Normal concentration in pools and hot tubs is about 1/3 the amount allowed by the Environmental...

Alright I went further down the rabbit hole than I care to admit. All I found was a WHO report stating what we've already discussed, that both metals have properties to help but can't help on their own. (And the WHO could care less if your pool has a Statue of Liberty hue of green to it...