rack of tanks

I have a a rack system set up that currently has a 55 gallon aquarium set up on it in the middle and two 10's and a 20 on the top...

clownfish breeding rack set up. I’m super stoked for this one! Started doing research on building a rack of multiple tanks all tied into one system. Well now I have the rack x7 10g aqueon tanks and x2 20 gallon aqueon tanks. I’m looking to replace the 20’s with x4 40g breeders later on. I’m...