Portable booster pump

Do you guys use booster pumps when rinsing roofs? I bought a 1hp sprinkler pump 720 gph 80 psi but didn’t seem like a big deal to me when I ran it.I did use adapters for 5/8 hose 50’ in and 50’ out. It says to use reinforced strong hose so I tested it first with my cheep hose and there was no way it could even burst a hose it seemed to me.It was pumping about 6 gallons a min and are spigot does 5 gallons a min. If I put a 5’ 3/4" input hose would it be much better?Or do I need something else and should return it?

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