Honestly, I would just add some a couple water pumps and/or under gravel jets. Just give the water some flow...
bob965;4044674; said:I replicated your design exactly as you have it drawn, and it did not work. The water simply drained onto the floor. However, I plan to improve upon your design by directing the vertical pipe to a sump.



Egon;4046669; said:This is mine. The two 1.5 inch bulkheads are about mid level and they flow up the back of the tank and spill over into a 2" line and then back down to my sump. I also have an over flow at one end of the tank to skim the surface water.
RBE17;4047143; said:Your tanks have all the goodies.


sashimimaster;4048228; said:So the amount of flow out the bulkheads are limited by the water pressure? What if I wanted to increase that flow for better vacuum cleaning?