i used to work next door to lundia years ago and they made wooden shelving but i would not trust it for a fish tank its more decrotive stuff like crieterion furniture
i have mine just below the water line with a hole on the inflow just above the waterline in case of pump failure then no back syphon but i do have a non return valve on the line anyway
one of my tiger barbs has a fairly big scrape on the side of him just below the dorsel fin and has some white around the the wound he looks like he has been in a fight i have put some melafix in the tank any ideas i have never had any diseases before ?