Water Deionizer that’s not RO

  • We are currently upgrading MFK. thanks! -neo
Hmm that’s interesting. So basically not wasting any water with the waste line and not having to worry about remineralization. I would just double check the chlorine levels in the waste water. Should be clear but just to be safe. What’s your TDS out of the tap?

Just started running RO DI still doing first 2 hours of break in but its ready a TDS of 92-93


If you just run it through the sediment filters, carbon blocks, and chloramine filter it wouldn’t. My only concern would be pressure since without the RO membrane there wouldn’t be a lot of restriction. How’s your house water pressure? I can’t remember how much psi these units can handle. I run my unit between 85-90 psi without issue with the full RODI (no chloramine unit). The BRS 5 stage units come with a built in pressure gauge. Or you could make your own by hooking up RODI canisters and customizing them with however many sediment and carbon blocks, plus the chloramine remover.

My current pressure is 55 psi. I think a booster pump may help but I dont want it if its going to be loud while on or cause a weird vibraton / resonance through the home pipes. I think 55 PSI is borderline good. Just dont want to add another layer of complexity that is loud.
 
I use a portable 75 gpd ro/di system. It use individual modules. I got it from here https://store.afwfilters.com/portable-ro-systems/

The make systems with a variety of modules. The make all sorts of products but I did not need whole house etc. I started with a 3 module system- Carbon-->RO-->DI. I just replaced it with a 4 module system adding a sediment filter. I bet if you contact them they might be able to make you a custom system wit no RO. Carbon will remove ammonia but it is the DI unit which would remove ammonium, nitrite and nitrate etc. as they are ions.
 
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Just started running RO DI still doing first 2 hours of break in but its ready a TDS of 92-93




My current pressure is 55 psi. I think a booster pump may help but I dont want it if its going to be loud while on or cause a weird vibraton / resonance through the home pipes. I think 55 PSI is borderline good. Just dont want to add another layer of complexity that is loud.

That may be too low of PSI for your application but I can't say for sure. I've never used a booster pump so not positive on how load they are. Could always give it a try without the pump for now and see how it works. Or capitalize on any Black Friday sales that may still be going on.
 
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