1. Sep 19, 2012 #1
   

   FRGNCC Inactive User

   92

   Ratings:

   +0 / 0 / -0

   
   I just installed a new BRS 75 GPH . The TDS is reading 14 on the in and out line. Does it need to run for a while before I start using the RO Water from it in my tank? How close to 0 should the ppm be?
   

    
2. Sep 19, 2012 #2
   

   Big John Inactive User

   966

   Ratings:

   +0 / 0 / -0

   YES! Membrane needs to be broke in, you want to shoot for 0 ppm
   Good Luck!
   
   Waste the first 30 to 40 gallons.

    

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