This is the system I've been using for the past 3 years. 100 gpd
If its in your budget I would also recommend a permeate pump upgrade, it increases the system efficiency and filter life dramatically. My system has been in use since 2006 and I'm still on the second membrane, and that is with daily household/CP use.
Please spend some time in the older threads on the subject, they will answer most of your questions and give you a much better understanding of the technology.
Spending a little more upfront saves quite a bit over the long haul.
300 would let you buy a setup functionally identical to mine easily, low 2's would be a good estimate.
Last edited by Av8tor1; 03-10-2013 at 09:29 AM.
For CPs I think just about every RO unit on the market is overkill. I wish I could find a simple one. Here's what you need, in my opinion:
- a pre-filter to protect the membrane from chlorine
- a membrane
- a storage tank
That's it. Mine also has a post-filter but I consider it useless. I don't think I've ever changed it and it's just taking up space. After maybe 7 years I'm still getting around 14ppm and I've never changed the membrane, just the pre-filters.
EDIT: Though if you have particularly bad water, this won't be true. My tap water is 120ppm.
Our tap is 167ppm before the RO machine (and stinks of sulfur), and 6ppm afterwards.
We don't use it for just CP's, as it also produces our drinking water. Couldn't imagine not having one..
I prefer to not drink demineralised water, so don't have a pressurised system. Instead, I have a simple setup consisting of a particulate pre-filter, RO membrane and carbon block post filter. I use this to fill storage containers. Cost me less that $100 and have been using it for the past couple of years with no issues.
Of course, a far cheaper way is to collect rainwater for watering plants, providing it rains frequently enough - which really isn't an issue here in Scotland!
our water isn't as bad as Mexico's, but it'll send you running to the pooper if you drink too much of it. We don't even let our pets drink it..
I'll stick to my RO.
The water here is Scotland is very soft, especially compared to where I was born. All of the tap water within the UK is fit to drink though, so we don't have to worry about upset stomachs. I just prefer to have some minerals in drinking water, mainly a taste thing for me I think. There's an article on it here: http://www.who.int/water_sanitation_...ineralized.pdf