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Old 07-29-2013, 08:53 PM   #15
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You don't have to use salt to remove the mineral deposits from the resin-bed. I use Potassium Chloride instead of salt because DW has blood pressure problems and using salt worsens her BP readings. It hurts my wallet these days though; a 40# bag is now $18.95 vs 40# salt is $3.59, but she's worth every penny.
Were it me, I'd elect for a RO system vs a water softener unless we boondocked because the RO system "wastes" about 60% of the water.
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Old 07-29-2013, 08:54 PM   #16
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Thank you Jerichorick... I believe that some have confused distilled water and deionized water. The former is suitable for consumption while the later will lead to acute dehydration.
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Old 07-29-2013, 09:03 PM   #17
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Were it me, I'd elect for a RO system vs a water softener unless we boondocked because the RO system "wastes" about 60% of the water.
My RV RO system is plumbed so that the waste water goes back to the holding tank. Zero water wasted.
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Old 07-29-2013, 10:29 PM   #18
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All U.S. Navy ships, from 1910 until 1980 or so produced distilled water as their only source of drinking water while at sea. Sailors lived for months at a time without dying.
I agree Keith, no-one died - however the issues of poor dentition in Sailors due to the consumption of distilled water are well documented.

I wouldn't say that life aboard a naval vessel (I was a civilian aboard a submarine during my career) was ever in perfect harmony with the physical needs of the human crew!

And all modern vessels now use RO systems, not distillers and to quote the Naval Manual of Preventative Medicine - Section on Production and Storage of Potable Water -

Although the process of potable waterproduction is an engineering responsibility,
the Medical Department must be cognizant of
the process in order to adequately provide
surveillance and recommendations associated
with potable water.
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Old 07-29-2013, 10:35 PM   #19
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I agree Keith, no-one died - however the issues of poor dentition in Sailors due to the consumption of distilled water are well documented.

I wouldn't say that life aboard a naval vessel (I was a civilian aboard a submarine during my career) was ever in perfect harmony with the physical needs of the human crew!

And all modern vessels now use RO systems, not distillers
Sorry, but as a former service dentist I deny the claim that poor dentition in Sailors (a fact) was due to distilled water (a falsehood).
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Old 07-29-2013, 10:47 PM   #20
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Well there are plenty of Sailors that disagree with you and programs that have been put in place to address poor dentition in Sailors - what would you attribute that to?
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Old 07-30-2013, 05:44 AM   #21
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Folks, please, we are just trying to clean our water up. We are not going to sea for months on end. All of your arguments may or may not have merit but this is not what this discussion is all about. Walmart sells all forms of processed water. What about soda? High fructose corn syrup anyone?

I like the idea of draining the RO back into the holding tank. But RO systems seem so slow for protecting the complete water system. I envision a processing plant toad just to get 50 gals of water in a few hours! What say all?
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Old 07-30-2013, 07:03 AM   #22
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Originally Posted by jerichorick View Post
Folks, please, we are just trying to clean our water up. We are not going to sea for months on end. All of your arguments may or may not have merit but this is not what this discussion is all about. Walmart sells all forms of processed water. What about soda? High fructose corn syrup anyone?

I like the idea of draining the RO back into the holding tank. But RO systems seem so slow for protecting the complete water system. I envision a processing plant toad just to get 50 gals of water in a few hours! What say all?
I drink RO water all the time. In the stick house because we have softened water and on the road because water varies so much. I put a small RO in the MH and waste water goes down the drain. I put in a brine operated pump for efficiency and a boost pump to raise pressure. I have a couple of carboys for water when we live off the tank. We have a 5 micron filter to take out sediment. I am looking at a softener because I like the way it feels in a shower, not to mention clothes washing. I, too, have lived at sea for months without health issues, dental or otherwise.

RO is slow because of the pressure drop across the membrane. So you start with 35psi what comes out is 17.5. Buy a boost pump so input is above 70, use a pressure switch to stop the pump when the tank reaches 35.
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Old 07-30-2013, 07:25 AM   #23
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We have had the "on the Go" water softener in our last three MH. We have never had to use any type of hard water scale remover ever, when replacing the anode in the heaters they are in much better condition than a non softened MH. (compared with a good friends who wont use a softener)
Showers, faucets, stool stay much cleaner. Iron content is reduced greatly.
Our new 2014 Phaeton will get a brand new softener since the current one is now over 12 years old.
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Old 07-30-2013, 08:35 AM   #24
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Great stuff,
I take it that there is little or no opinion on the product inthe original post.
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Old 07-30-2013, 09:58 AM   #25
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I drink RO water all the time. In the stick house because we have softened water and on the road because water varies so much. I put a small RO in the MH and waste water goes down the drain.
Ditto. My 3-gallon under-the-sink tank supplies water for 2 humans & 2 dogs (without a boost pump).

BTW, I looked into installing a whole RV RO system in which ALL the water in the holding tank would be filtered, but found that -- even with a boost pump -- filling a 100-gallon tank using RO was VERY time consuming.

In my setup I use . . .
Sediment filter -> Carbon block filter -> Water Softener -> UV filter

My flow rate is 3 gpm, so I fill my 100-gallon tank in 20 minutes.

And OP's original question -- I've seen discussions on this device before, and the general consensus was Don't Bother.
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Old 07-30-2013, 10:16 AM   #26
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My RV RO system is plumbed so that the waste water goes back to the holding tank. Zero water wasted.
Doesn't that simply concentrate what is removed by the RO system? Do you then use that for bathing? Seems like over time you wind up with a contaminated tank. The normal levels of residual chlorine in city water is not enough, nor designed to keep that "waste" water safe for other human uses.
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Old 07-30-2013, 11:13 AM   #27
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I use a softener on my trailer now because I used filters and still got the red iron slim on my pipes when I moved to Illinois. I found I don't use as much water when I shower and do dishes. I use pellets and not salt and I back flush to the sewer and not to the ground. I only have to regenerate about every 600 to 1000 gals. Only do it about twice a season. I use a sediment filter right off the sliver then my pressure reg. when boo docking I fill thru the softener so I don't have to worry about hard water stains and problems.
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Old 07-30-2013, 11:18 AM   #28
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Deja Vu All Over Again

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Doesn't that simply concentrate what is removed by the RO system? Do you then use that for bathing? Seems like over time you wind up with a contaminated tank. The normal levels of residual chlorine in city water is not enough, nor designed to keep that "waste" water safe for other human uses.
I remember replaying to this very same question by you in June. Here's what I said then:

Given that fact that RO "waste" water mixes with incoming "fresh" water in my holding tank, I'm not too concerned about being contaminated.

For example, I used a TDS (Total Dissolved Solids) meter to test the amount of solids (bad stuff) in my fresh, RO, and RO "waste" water -- here are the results:

- "Fresh" water = 242 ppm
- RO water = 34 ppm
- RO "waste" water = 202 ppm

As you see, there's not a lot of diff between "fresh" and RO "waste" water. But there is a significant diff between RO water and the other two.

That's what I put "fresh" and "waste" in quotes -- the former sounds good, the latter bad, but in this case they are about the same.


Finally, I'm full timing and I'd guess that most of my water is not coming chlorinated city systems, but from untreated wells. That's why I use UV.
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