mega matrix

Excited to start my build thread. Just ordered most of the equipment and will continue over the coming weeks. I am upgrading from a 32 Gal Fluval Flex that I have had for over a year now. for my build, I wanted to choose the quietest equipment possible because it will be in my home office. I...

So I have my Planet Aquariums Mega Matrix 310 with internal center overflow. It did not come with any of the overflow plumbing which has (2) 1-1/2” drains and (2) 3/4” returns. The tank is 25” tall. Are they supposed to come with the internal overflow plumbing or was that an add-on for an extra...