i am building a new tank set up . i sold my last one and am downsizing. this one will be built as cheap as i can. i have bought 4 tanks for this build from petsuppliesplus at their dollar per gallon sale. a 40 breeder (main tank), 20 long (sump), 2- 10 gallon tanks, one for ato and one to mix saltwater for water changes. i have left over supplies from last tank that will be used with this one, an apex, tunze ato, maxspect gyre, various hydor power-heads, heaters, ink bird controller, 1 radion xr15 g4. all electronics will be hidden, sump will be beside the display tank and maybe grow some mangroves in there.