I cant tell you much about the fancy plexiglass models, other than they are all supposed to a good job, but cost most of your monthly income.(posted 8971 days ago)I still get by very nicely with an old Kodak tray Siphon. I have done dye tests to see just how completely it flushes a tray full of water, and it is a very efficient -- and economical -- device, although they may be hard to find.
As long as you dont crowd the tray, and remember to shuffle the prints around and from top to bottom every few minutes it will wash to archival standards.