Doesn't Produce Enough Pressure For My Purposes

This nozzle delivers only about 10% more pressure than my standard, full-diameter spray nozzle. It will produce a stream of water,that goes upward only about 3 or 4 feet higher than the standard one does. So for my purposes, it is just slightly better than useless. I wanted it to spray water on the foliage of my big fir trees, which can absorb it through their needles. But I think that getting an electric pressure-washer, is the only solution, to reach enough height. Someone else said it will spray water 60 feet upward, but I wonder how high the pressure of their source is? I'm getting around 55-60 lbs. per sq. in. from my source and only about 35 feet of spray height. I tried it with a new, short hose, but it was no better. This nozzle seems well-made and is solid.

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