This tank is an ideal alternative to the horizontal bath-style trays commonly used in the etching studio. It's design advantages are immediately apparent. As compared to a typical acid tray, this Vertical Etching Tank uses 50% less studio space, and has 95% less of the exposed area for evaporation.
Step 1: Get the Right Kind of Tank
I used the Rodac RQN8070 with the size 430 mm x 310 mm x 95mm, 5 liter.