You can have this cooler/swim platform if you buy the hardware for $25. Make your own cooler size platform or use this one off a Penn Yan. Can be seen in Sodus Point.
I know the transducer does not read surface temp. I think the head and probe are ok but I have no way of testing the probe. I'll put a 9v in it and see if it flashes.
Triple Tree rod holders for planer board fishing. Welded to a base. Port and Starboard. Can be seen at http://www.primetimecharters.com/foresale.htm
Asking $40.
It is said to be 3 times stronger than wood. You cut the top off the stringer and poor it full. saves labor but cost more than wood. Also it dies not rot or absorb water.