This classic hydroponic grow tower has 6/8/10/12 /15layers,each layer has 8 planting holes, as well as water tanks, pumps, and other structures.
The volume of a single vertical grow tower is 1700 mm in total height and 650mm in width, that equivalent to placing a hydroponic
tower system for every 1 m2 position. You do not need to consider the height limit when calculating the greenhouse planting area.