Deltec offers three versions for different aquarium sizes. They all include a water feed pump (3/4 gallon to 92 gallons per day). All operations set and controlled via controller. There is no need for a separate water feed pump, CO2 doser, or pH controller.
Aquarium size up to 400 gallons, Dimensions (LXBXH) 12.25 x 7 x 23.25 inches
Aquarium size up to 800 gallons, Dimensions (LXBXH) 15.5 x 9.5 x 23.25 inches
Aquarium size up to 2600 gallons, Dimensions (LXBXH) 17.5 x 12 x 36.25 inches