RODI and soft water

[myindoorocean]

I'm setting up my RODI unit in my furnace room and I have the option of tapping into the water line before or after my water softener. Does anyone have any experience with this? I would assume I want to use soft water, but just thought I'd check.


Sent from my iPad using Tapatalk HD

 

[TJL]

I think it would depend on what type of Softener is in use, I believe many add/use salts. Can you do some basic testing of TDS, PH, Cal and Alk before and after unit ???

Cheers, Todd

 

[myindoorocean]

I could do that. It does use salt, I think they all do. It uses it in the regen process, it happens once a week or so. Cleans out the softener part somehow, not exactly sure how it works. The softener removes the "hardness", lime and so forth, which is something I would think I wouldn't want in my tank. It definitely doesn't leave the water tasting salty or anything like that.

 

[TJL]

Hard water is not always bad, depends on what all is in the makeup as sometimes can foul/plug up the micron filters quickly. Carbonate hardness could be beneficial and the ro/di unit should remove any metals. Another thing to think about here is, what is the water pressure like before and after ? I have my ro/di unit tapped in before house PRV to get 85-90 psi instead of 51 psi afterwards. Now getting about 1/1.25 ratio instead of 1/3.5 waste-water.

Cheers, Todd

 

[myindoorocean]

Yes, that water pressure thought is something I should check. I probably should have checked that before I bought my RODI unit because I may need one with a booster pump. I think we have more than enough pressure here in Spokane, though.

I have been googling a little, many people are saying tap in after the softener and my membrane will last much longer.

 

[mojoreef]

Yea after seems to be the way most folks do it to save on the membrane. Check the pressure before making a call on the booster pump and on a side note booster pumps are mostly designed as an after market thing, so easy to plug it in.

Mojo

 

[myindoorocean]

One more thing to buy, a pressure gauge, right Mike? :doh:

 

[myindoorocean]

I think the only thing I've needed that I've had so far is teflon tape!