Quote:
Originally posted by Icefire
The thing about 20% less life is not real, you would need to have a membrane that would have a life of XXX Gallons @ XXX ppm.
Membrane don't work like that, it depend on way too much factor.
Using your logic that would say a guy with TDS of 50 would get 5 years while someone with 200 would get 1.25 years? that's just stupid.
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I agree with you on this part. I was trying to give a worse case scenario, and keep it simple. I believe it would be much less than 20% also.
How would you estimate the life of the membranes running in series? 1St, 2nd, 3rd,
I do no one guy who has been set up like this 2 membranes for 3-4 years with the same membrane last I checked.