Originally Posted by Mr. Green
If you have the 75GPD unit you would cut that down to about 37GPD between the two units filling both at the same time. You may want to split the line with valves, fill one bin, then do the other. You could find the fittings at a Lowes or Home Depot to fit the tubing. This would allow you to have at least one full bin of water to work with.
In the ro only bin (for top offs) I only need 5gpd. As long as i have a float valve in the container, shouldn't it stop at that amount and continue to fill the larger bin until the float valve shuts it off as well?