PLATINIUM No pots w/ Rockwool (Hydrostone) - 40x90(80) SeriesPLATINIUM 80 Series is a 100% modular growing system great for beginner and pro growers. It comes with the same tray and tank as Aero top 4 6 12 20 30, Aerostar 4 6 12 20 30, Hydrostar 4 6 12 20 30, and Hydrogrower 40. It also has the same irrigation system as that of Hydrostar 4 6 12 20 30. AQUAVITA pump and integrated irrigation allow the uniform supply of nutrient solution to every pot. 100% Modular: It is 100% convertible. So, you can easily