Right now, I pulled out the ladder and it seems to be working just fine. I cut one "picket" to clip on the ladder but it doesn't help--it tried to climb the vertical 1.5" PVC! I think with 2 it will work better--or a cheap 1/2" wrench hung nearby to loosen the two ladder bolts.

It has a weird pattern of only climbing the walls every ood number of times. But if that's how it's designed, that's how it's designed.

An Israeli mafia for pool cleaners? Apparently that's the fact. But that's NOTHING next to the Taiwan mafia that makes EVERY motherboard in every PC in the world--all in a strip about 10 miles long and a few miles wide.