Thread: RO membrane question?
View Single Post
  #7  
Old 09-04-2003, 05:36 AM
golden69_ca golden69_ca is offline
Member
  
Join Date: Feb 2003
Location: edmonton ab
Posts: 175
golden69_ca is on a distinguished road
Send a message via MSN to golden69_ca
Default
what color is the cartrage changing to?

the company i work for as a rule of thumb on our water purifying machines is that we clean our ro membrains once a year or if the product water tds a certain level.
Reply With Quote