8/2/03 Took a short break...Here is the completed sump being tested. I must tell you that the water you see on the floor is from filling the tank with a spray graden hose. The tank survived two more days of testing with it full of water before I took these. Here I have pieced together a 1 1/2 inch adapter from the sump to the 1 inch intake on the Iwaki. The sump has slip-fit connectors on the bulkheads on the outside...and I didnt want to make anything permenant just to test the return pump. I did make a permenant 1 1/2 > 1 inch with pvc cement, then I used a union on both the intake and output of the pump..I learned this from hearing a few "I wish I had put on a union" on the various forums. The slip joints I didnt want to make permenant I wound with pipe tape to make it seal..that worked well. Here is a shot of the contraption:
Again, I add that I filled the sump with a garden hose, and the water on the outside of the sump and the floor is from the spray head. Another shot of the whole thing...
The IwakiMD70RLT puts out a TON of water...but the flow pattern was fine in the sump, as long as the water was returned in the first chamber, the water level didn't move a bit...just as it should be. The water flow was producing quite a bit of turbulence and bubbles in the first chamber...the bubble trap between the first and second chamber worked pretty well...you can see some of the bubbles here:
and better here:
