Take your nozzle and put it in the tank. Turn it on and let run for about 3 minutes. That will mix the tank and you will also have your desired mix in the hose ready to spray.
Last time i was down there (NJ) Was when Hurricane Sandy came in, we came up from Central NY, We knew a FEMA guy there and did some clean up work in Middlesex Woodbridge area, lot of work there, highways were packed in the morning hard to get around.
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My Motto: If you want to make friends you have to be friendly.
I'm in the middle of ac and Philadelphia. That storm pretty much shut me down for 3 weeks. We had a high wind storm last year that destroyed a couple of towns with downed trees and wires. My neighborhood was without electric for 4 days. I was not. I hooked up a generator to run my house except the central air everything else was powered up.