December 18, 2011 Posted bymike December 18, 2011November 29, 2013 Leave a comment on December 18, 2011 December 18, 2011In album December 18, 2011The water bridge is a simple siphon tube that keeps the water level the same between the two totes I am using for a sump. There is a pump in the right tote and water drains into both of them about evenly. View this post on Google+.Related Posts:I doubled the sump space in my aquaponics rig today.December 1, 2011December 8, 2011December 21, 2011Aquaponics Solids Lifting Siphon Overflow Box AKA…Flood and Drain