so last week final got round to Putting the RO unit and filters in the van im still filling the tank as if it was coming from the garage (ie filter, filter, RO UNIT resin bottle out to van)but due to my ro filter being some what knackered ive left it this way but will buy another RO filter and put resin bottle on out/exit side of pump
guessing your resin is out side flow of pump?
guessing your resin is out side flow of pump?