I have a 3/4 hp pump on res well. I run 7 zones with 6 Maxi Paws on 6 of the zones and the 7th is a drip line approx 1200' long with approx 150 pressure compensating 4gph emitters. My well provides 17 gpm. My pressure is not the greatest, and I would like to cut the watering time down also. I am installing 2 more zones which will be for a pasture and more lawn. My pump will not be able to handle this, so I want to install a complete seperate 2hp pump which says it will provide 6000 gph and dissc...