I am making some water with a RO/DI unit and the tds meter say 0-1 when it is in the first bucket straight from source. Then when I pump it to another mixing bucket it reads 20-30ppm. I have wiped the bucket down a lot and rinsed it with some ro/di water and it still reads high as soon as i the water to the mixing bucket. Is it picking up stuff in the line and pump? Is this normal or should it be 0-1 when I mix it? said:
I just measured the TDS in my water storage jugs and it measured 0 as it does when coming out of the filter. I also measured the TDS in my salt mixing trash can and it measured 7 but that is due to residuals from just wiping it down. The 20 to 30 that you are measuring seem a little high but we need more input from others to see where theirs is running. Remember that RO/DI water is hungry and wants to absorb minerals etc. to become balanced again. You must be picking up something in your storage or somewhere else in the water path.
I would be interesting if others would post their readings out of the RO/DI filter and then from the jugs that they store their water in should also include their salt mixing jugs so that we can see what the average readings are.
