Building a Aeroponic Prototype -- Need Help!

[WeedTree's]

head on a pump is how many feet above the pump level it will push water,most cheap pumps only push 9' max and most at 7'
so there really is no pressure. thats why they are measured in GPH/LPH at x'

Yes, the max height on the pump is 8.5'

Problem? Seeing the size of the PVC I have, it might be. I might have to move down to 3/4" or 1/2" piping.