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Topic: Weather, Climate, Environment, and Energy

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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #2212 on: April 24, 2020, 10:42:23 AM »
I've been in salt water pools.  I am not sure of the advantage.

utee94

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Re: Weather, Climate, and Environment
« Reply #2213 on: April 24, 2020, 10:45:45 AM »

I've been in salt water pools.  I am not sure of the advantage.
Supposedly less maintenance and a "softer" feel to the water.  I don't personally notice any difference.

Builders/installers around here basically stopped installing saltwater pools because they were tired of getting sued for the breakdown of the coping around the edges, when using natural stones.

847badgerfan

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Re: Weather, Climate, and Environment
« Reply #2214 on: April 24, 2020, 11:07:00 AM »
It's much better for your skin, number one. It's also a lot less maintenance and expense. 

Right now we are paying a service to come every week, add chlorine, do the testing, etc. The other lady we pay to "watch" the house weekly adds water to combat the evaporation.

So, the pool people are $150/month. That expense will go away. The conversion to salt is $900.00, so in 6 months it's paid for.
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betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #2215 on: April 24, 2020, 11:29:23 AM »
Yeah, the amount of chemicals needed to maintain a chlorine pool are significant, which goes away with a saltwater pool. As a homebrewer, we're often worried about getting chlorine *out* of our water, but for chlorine (not chloramine) just letting water sit out in the open air for 24 hours will largely get rid of it. So with pool chemicals, since you WANT it to stay in there you have to constantly test and maintain the levels. 

And I haven't heard that saltwater pools require any compensatory maintenance either by getting rid of chlorine... Because it's salt, it stays in the pool as the water evaporates, so you just have to add water. Maybe every once in a while you need to test salt levels, but it's not the level of maintenance a chlorine pool requires.

MrNubbz

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Re: Weather, Climate, and Environment
« Reply #2216 on: April 24, 2020, 11:39:38 AM »
Ya but what about the corrosion of salt water on the equipment?Not sure that's cheaper in the long run
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betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #2217 on: April 24, 2020, 11:57:10 AM »
Ya but what about the corrosion of salt water on the equipment?Not sure that's cheaper in the long run
Again, I'm not an expert, but it would be absolutely ridiculous if the materials used were prone to corrosion.

I'm guessing that $900 that Badge is talking about isn't about draining the pool and pouring salt and new water in... It's probably retrofitting some of the various equipment so it's not susceptible to corrosion from salt. 

847badgerfan

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Re: Weather, Climate, and Environment
« Reply #2218 on: April 24, 2020, 12:11:47 PM »
Chlorine is more corrosive than salt.
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OrangeAfroMan

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Re: Weather, Climate, and Environment
« Reply #2219 on: April 24, 2020, 12:13:15 PM »
Finally got our first 100 degree day this week.  Gonna be 105 on Sunday.  
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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #2220 on: April 24, 2020, 12:21:26 PM »
Chlorine is more corrosive than salt.
That depends on the material to which it is exposed of course.  I'd say in general it is, though it also depends on concentration obviously.

Chlorine in water has some interesting chemistry, as obviously it's not Cl2, it's some combination of HOCl (Clorox) and OCl- and CL2 depending on pH.


https://www.homeadvisor.com/r/saltwater-vs-chlorine-pool/

betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #2221 on: April 24, 2020, 12:22:54 PM »
Finally got our first 100 degree day this week.  Gonna be 105 on Sunday. 
Expected to hit 93 today. I might have to hook up my new thermostat so I can run the a/c...

...for the puppy, of course. I don't want him to overheat. 

The kids can just deal with it lol.

847badgerfan

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Re: Weather, Climate, and Environment
« Reply #2222 on: April 24, 2020, 12:28:17 PM »
Salinity in a salt water pool is about 2500-4500 PPM. Ocean water is about 10-12 times higher - around 35K PPM.

We'll probably be at around 3500 PPM, so about 10X less than the ocean.
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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #2223 on: April 24, 2020, 12:30:10 PM »
Sounds like a good investment, I had never looked into it before.

I believe it is true that if a pool smells like chlorine, it does not have enough chlorine in it.  You're smelling the chlorine byproducts at low levels of chloride.  I can't recall the particulars.

CWSooner

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Re: Weather, Climate, and Environment
« Reply #2224 on: April 24, 2020, 12:59:42 PM »
Form follows function, and you can't claim they're not functional.

Yeah, maybe a mid-engine supercar doesn't have the exact same proportions that we all grew up with idolizing... But maybe that's because we WERE building cars wrong, and now we've figure out how to do it right. It'll just take some time (and for us old farts to die) until the world realizes that's what a supercar "should" look like.
It's not the proportions.  Of course a mid-engine car will have a different profile from a front-engine one.  My favorite car of all time is a Ford GT40, and it is mid-engined.  "Supercars" have been mid-engined since before the term was coined.

It's all the stupid styling lines and creases--that are not about function at all but rather about looking "aggressive"--that bother me.  And the new Corvette is particularly bad on this point.
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utee94

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Re: Weather, Climate, and Environment
« Reply #2225 on: April 24, 2020, 01:01:24 PM »
That depends on the material to which it is exposed of course.  I'd say in general it is, though it also depends on concentration obviously.

Chlorine in water has some interesting chemistry, as obviously it's not Cl2, it's some combination of HOCl (Clorox) and OCl- and CL2 depending on pH.


https://www.homeadvisor.com/r/saltwater-vs-chlorine-pool/
The saltwater pools have been accused of eating away at natural stone coping around the edge of the pool.  So much so, that regional pool builders down here have been sued so often they pretty much won't build a saltwater pool anymore. 

I bought a house with a chlorine pool, while one of my best friends built a saltwater pool about the same time ~8 years ago, and his natural stone coping is deteriorating pretty badly at this point.  Mine is largely unaffected.

I don't know if it's true or not, but it's widespread enough around here, that pool builders pretty much stoppped doing it, or they ask for extensive waivers when they do agree.

 

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