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Old 07-28-2013, 06:44 AM
K&L Landscaping K&L Landscaping is offline
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Join Date: Oct 2004
Location: western NC
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STIHL SR450 for gly application?

I have a large, VERY large bank that I spray 3-4 times per year with glyphosate for a total kill. I'm trying to keep from carrying a backpack sprayer all up and down the very steep slope.

It crossed my mind to buy a SR450 to use on this bank. I have ZERO experience with a sprayer like this unit. Any opinions on whether or not this will work for my application? It looks like it's more of a mister rather than a sprayer.
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Old 07-28-2013, 08:48 AM
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foreplease foreplease is offline
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Location: St. Joseph, MI
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Looks like a poor choice to me. It weighs 28.2 pounds empty, which is equivalent to 3.38 pounds of water such as you would have in a backpack sprayer. It appears to be a misting type sprayer. There is no telling how much off-target damage you could cause (and be responsible for) by spraying gly with this.

If this is the only thing you spray and want something lightweight and inexpensive, try a hose end sprayer. Calibrate it with water only on your driveway so you know what your output is. Use a coarse spray. Do not use the hose end sprayer for any other chemical just to be safe. In other words, you will only be carrying a quart jar size sprayer up and down the hill and dragging a few lengths of hose.
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Old 07-28-2013, 10:22 PM
greendoctor greendoctor is online now
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Not a good idea. Mist blowers are for insecticide and fungicide applications on field crops. Glyphosate floating in the air can be very bad. I use a spray gun fitted with an air inducted stream nozzle to spray glyphosate on areas not accessible to booms or fan tips. Don't know about how the rules work in NC, but the Hawaii DOA does not permit commercial applicators to use hose end jars hooked up to the public water supply. I have seen posts where it was suggested that the jar get hooked up to a skid sprayer pumping plain water. One more thing: it is often easier to flush glyphosate out of a skid sprayer than a manually pumped backpack. That flushing out should be done on a site labeled for glyphosate application. I know someone on the forum that had to replace a few thousand sq ft of grass because of a contaminated backpack sprayer.
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