RO Unit

Sparky312

Sparky312

Member
Guys help me out please. I saw the other thread about RO units and it made me think of this problem/question I have.

I bought a unit several months ago from somebody on here -- he told me only the DI needed replacing so I replaced that. It made 0 TDS water but after less than 100 gallons it was cashed again!! (BRS resin that changed color when depleted.) So I went ahead and bought all new filters including membrane and a flush valve and the flow restrictor that BRS recommended. But I never hooked it up again because I wasn't sure what I'm doing.

I live in an apartment so permanently connecting this thing is a no-go. I will be connecting it to my faucet, making like 10-15 gallons, and then putting it away again. I thought I had read somewhere that if you leave water standing inside the unit, which happens once its disconnected -- that it would deplete the resin faster, is that true? Basically I want to know how to get max life out of it and what went wrong. Do you think all the filters were just old to begin with?

Also I live in Chicago and have average water pressure I would say. Do I really need one of those boosters or can I get by without it?

Lots of questions I know
 
Im in humbolt too. Your membrane is probably toast. Whatbis the tds out of the membrane. Also how old are the sediment and most improtant the carbon block.
 
skunkmere said:
Im in humbolt too. Your membrane is probably toast. Whatbis the tds out of the membrane. Also how old are the sediment and most improtant the carbon block.
Click to expand...

I forget what the reading was out of the membrane, maybe 100 or something? I have all new filters/membranes now from BRS still in the packages just never hooked it all together. Lower TDS out of the membrane must make the resin last longer right? So what is "good?"

Thats cool we're neighbors -- you're welcome to come check out my tank any time, I'm home a lot :)
 
that the problem, Change all the filters. the ro membrane should be 0 - 3 tds and really 0 when new. the DI is just a polisher and removes what little is left from the ro. The ro membrane does all the work. the carbon block protect the membrane from chlorine as it can damage the membrane.
 
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