I agree a power washer isn't always very useful for spraying
pesticides as you have no verifiable control over the ratio of
pesticide to water, etc., IF it'll reach where you want to go,
but ... empiracal testing would be possible. Anyway, nozzles
with canisters are readily available for garden hoses as you
Now: I happen to have done the fiddling it takes to figure oiut
the mixture ratios with a power sprayer. So, given a proper
problem, I might just use it, if it occurred to me, albeit the
extra trouble it would make.
But: What kind of experience do you have with power washers?
They also have all kinds of "nice nozzles" for them, ong and
short wands, all sortsof things, and I'm sorry to have to tell
you, they can FAR outdistance a garden hose. In particular I
used mine to knock down some bee hives in the peaks of the house
this last fall - the garden hose wouldn't come close to them, and
the nozzle that would reach them, well, all it did was make the
hive paper wet. The power unit, however, provided the power
behind the stream to completely obliterate them in a few seconds!
So what if it carried an air-load? It hit, and it hit them hard.
Because you've seen one or two of them, does NOT mean they are
all created equal. It would appear to me that yours won't allow
much control of the air to water mix; which is why your garden
hose outdistances it.
| > Anyone ever heard of using a power washer as a pesticide
| > sprayer for backyard fruit trees. How high can it shoot?
| > PJ
The one I was considering has a 4 gallon bucket for holding the
liquid. So there is no ratio math needed, I think..
I'm just concerned if I need a special wand and special orifice to
hit the tops of my trees. I've been advised to create a 1/4" hard
copper tube about 15 feet long and put an orifice at the end - to
reach the maximum height.
Minimal with common insecticides...Roundup is another story, but he
won't be spraying that on foliage. Thourough clean up (hot water and
detergent) and then a flush with a light oil mixture should be all
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