NOTHING ever broke on it until I started having touble, and nothing appears broken now.

Capacity is very large. The bags are multiple layer so they filter as finely as a DE filter. The ONLY time I ever have to run it more than once is during spring opening--then it's 3 to 4 times.

You can set the time cycles--up to 8 hours. I will just put it in at night and pull it out in the morning. I gather you can run it under a solar cover, but you have to turn off the wall-climbing function. I've never done it.