GT604 self-contained NFT systems are ideal for small spaces. Their compact design makes the best use of your grow room. The original Gro Tank was the first hydroponic system designed for the hobby grower and has been around since 1979. Tank volume:60 ltr Tank size: 1525mm x 485mm x 190mm All Gro Tanks are compatible with our fantastic Auto Top Up System, a perfect way to expand the capacity of your NFT system. Connected to a header tank of any size the Auto Top Up maintains the level of nutrient in the system reservoir taking the work out of growing and allowing you to leave your plants for longer period *Basic kit contents: Tank, tray, corriboard, pump & delivery sytem. *Complete kit contents: All the above + Spreader mat, PH down, PH test kit & emptying tube.