I have 2 used acrylic boxes. They were on the back of a tank a purchased used as overflows. Could be used a refugiums, wet/dry, add space above your tank or sump. These boxes have 3 holes drilled and come with some neat plumbing parts. $10 or trade for a frag.
Text for pictures 810-813-3242 Ryan
Text for pictures 810-813-3242 Ryan