Im gonna bulid the 11 pipe
hydroponic system. Im a new grower so i dont know much What the hell is a solo cup, I know it goes inside of the 2 litter bottle thats all. And what do you use to grow, I mean, What do you put inside of the 2 litter bottles, soil just water, rockwool, ect. Another thing is the
pump. What is its specific name so i can ask for it in a store and were do i get it?