Ok a lot of us have been burned by cheap things like frag racks and veggie clips that leak and rust magnets but you don't expect it from Ecotech for the price you pay.
I had one MP40WQD lockup and I bought a new wetside at $80. Funny thing is the other one eventually locked up and the first one that locked started working again. Anyway being the curious sort I decided to see what was wrong with the latest failure and to see if it could be fixed. What I found was it locked up because the magnet had rusted so bad it actually swelled the back plate. In the picture you can see the bulging plate and rust. I opened it a little further and scraped out probably a tablespoon of rust. No point as the unit is shot and will never see the inside of the tank again. Truly disappointed and have to wonder if the two operating MP40WQD's aren't leeching metals into my tank.