hi guys i have a tds meter and i just checked my rodi water that im collecting in a empty gallon jar i decided to put some in a cup and check i got a reading of 0 , i dump that water in a 5g jug that i use for my ato, when i checked tested the 5g jug i got a reading of 0.01 !! how !! can it be cuz i have a metal screw clap on the hose on the rio pump???