I use a drum to print RA4 up to 16x20 in the bathroom. I wash everything (RC, fiber, BW and RA4) in a tray in the bathtub. Up to 11x14 I use an old print washing tray with continuous flow of water.
There is also a single tray method where you use one tray and fill and dump the dev, stop and fix. I haven't tried it but you might want to google it.
Bookmarks