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chemicals in sprayer

R

RalphWD45

Well-known Member
Do any of you gurs, and gals, use the same sprayer for every thing, and just rinse it well, when you change over, or do you have at least 2 dedicated sprayers? I currently need to spray my cherry, and apple trees, with pesticide, just as soon as the blossoms fall. I am wondering If I should buy another 16 gal. Northern sprayer, or clean my 50 gal 3 pt sprayer, of roundup, and take the chance that it is clean thru all hoses, pump, and tank? I sure would hate to kill, or set back my fruit trees.
 
Well, it would be considered a light solution of what was in the tank, so spray it on the crop you just used the sprayer on. It won't hurt that crop, and its not potent so can double up, etc.

Be sure to get all the lines flushed out, if you have a return line or a wand sprayer one, so nothing stays trapped in a line.

Paul
 
After I am done spraying, I do a quick rinse in the driveway with just 1/2 water, seal it up and shake, dump. Then fill it up with 1/2 water a 1/2 cup or so of household ammonia. Shake it up,, pump the spayer up,, and open the spray wand and let it drain...
I wouldn't worry about the drained water & ammonia mixture,,
 
Thanks guys. I am sure that I am too cautious, but did flush 3 yrs ago, before spraying garden , and lost some produce because of it.
 
Fire ant killer (Bayer broad spectrum)
Geophospate (Kills all weeds)
2-4D (Broadleaf weed killer)
Cattle spray (Horn Flies)
Algae control (Pond algae..CUSO4)

So that's 5 special purpose I have. Each is designated and stays with mixtue in it most of the year. I wear out the lot in a couple of years. The el-cheapo plastics are the best as they resist the chemicals. I probably have 20 dead carcasses around with different ailments. I had a bunch of Hudsons and went to them and bought a bunch of accessories. That was fairly expensive and worked pretty good but still had to redo annually to semiannually.

Mark
 
Depends on the chemical and the crop. they say never spray apples with a sprayer that has EVER had quadris in it; they are hypersensitive. tomatoes really don"t like 2,4-D is another example. on the other end of the spectrum, if you just sprayed fungicide and want to use roundup, you"re trying to kill it all anyway, so don"t even rinse it. going the other way, roundup rinses out pretty well with enough fresh water. so it depends on the specific situation
 
When I was farming I had a cleaning formula. I have forgotten the rates, but it was aqueous ammonia and surfactant. The aqueous ammonia is just a much stronger ammonia than household ammonia.

Gene
 
I rinse my small 50 gallon sprayer with ammonia when going from one kind of spray to another. It depends on what it is or does but I have never had any problems with carry over from one chemical to another. I just buy it by the gallon from the dollar store. I'll mix a gallon with about 3-4 gallon of water and rinse it out along with the lines and boom.
 
Avoid a disater. One for 24d for around the house. One for Roundup for around the fences, buildings, Preplant garden etc. One for trees. Replace oldest one every year. Big bold black felt tip markings. Don't ask why I went to this method. Unless you want to kill half a dozen 10 year old, beautiful plum trees.
And, you are not dumping half full jugs out all the time. Store in heated shop.
I just gave my apple trees their second spray of the season.
 
Caution is good, be tough to lose a tree crop, can't replace those in 12 months. Little different for me, corn & soybeans, if I mess up likely only affect a few 100 feet.

Paul
 
Maybe I'm not supposed to, but I use one 25-gallon sprayer for everything; Roundup, fungicide, 24D, Captan, I just make sure I use up all of whatever's in there, and I pull the suction hose out of the tank and hold a garden hose up to it and run it clear with the pummp turned on. Whatverer moisture's clinging to the inside of the tank has never bothered me.
 
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