I want to get an RO up and running
I could probably just buy a new unit....but I have an old one that I used many years ago. It is a basic 3 stage. I assume it would be cheaper to replace the guts of my old one?
where do you shop/recommend for RO parts?

I could probably just buy a new unit....but I have an old one that I used many years ago. It is a basic 3 stage. I assume it would be cheaper to replace the guts of my old one?
where do you shop/recommend for RO parts?