Another sprayer query

ltiltonFebruary 12, 2014

I just came upon the 9-gal Master Gardener cart sprayer, which seems that it would exactly fit my needs better than the backpack sprayer I'm using now. It runs off a rechargable 12-v battery and claims a 15' vertical reach.

Should I believe this? Does anyone have experience with this or a similar piece of equipment?

Here is a link that might be useful: link

This post was edited by ltilton on Wed, Feb 12, 14 at 11:13

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alan haigh

I don't like the fact that it fails to mention max pressure. That is an essential piece of info that makes me question the ethics of the manufacturer or seller. Gallons per minute is meaningless if you don't know the pressure.

I wish they made a light, well designed gas powered cart sprayer in this country. I had one once that was made in Japan and powered with a 2-stroke. It held 5 gallons and could really put out a lot of spray in a hurry. When the engine blew had to throw it away- no replacements here.

I now use a Canadian battery powered job for small jobs and it is terrible out of the green house, for which it must have been designed. Too much work on uneven ground. The tank is too high, wheels to small and frame too heavy. It cost around $700 too.

    Bookmark   February 12, 2014 at 7:03PM
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This one is only $199, not much more than my backpack.

What would be an acceptable pressure rating?

    Bookmark   February 12, 2014 at 7:16PM
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alan haigh

For fruit trees I would want at least 100 PSI- at maybe a gallon per 3 minutes. You need to penetrate foliage. Some back pack sprayers with manual pumps get up to 150 PSI. Takes a long time to empty 3 gallons though.

However, I'm no expert on small sprayers and I'm not sure what pressure my battery powered one gets to. It certainly puts out a lot more spray with more power than any back pack job with a manual pump.

Maybe I can get a chance this weekend to get the specs on my Canadian sprayer. Similar power would work great for a home orchard. If the snow keeps me from trees tomorrow I might even check it out then.

    Bookmark   February 12, 2014 at 8:41PM
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I did see something that there's an automatic shutoff at 40 psi.

    Bookmark   February 12, 2014 at 9:55PM
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alan haigh

Sounds like it will be stellar for applying roundup.

    Bookmark   February 13, 2014 at 5:33AM
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I bought a 15 gallon sprayer from tractor supply for $99 last year. It doesn't come with any wheels, you have to put it on a garden cart or something. It runs on 12v rechargeable battery which I got from amazon for $12-15.

My husband has been using it to spray our 4 peach trees. He likes it a lot.
It only takes a few minutes to spray each tree now.

25 ft. horizontal throw
15 ft. vertical throw
15 gal. corrosion resistant polyethylene tank
Ideal for gardens, driveways, ditches, ponds, etc.
1 year limited warranty

    Bookmark   February 14, 2014 at 8:08PM
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Thanks, sara. That helps.

I'm pretty sure the sprayer I looked at will meet my needs for the fruit trees. If it cost more, I might look for alternatives, but this one isn't much more than the backpack, which I can now repurpose for lawn spraying.

[I always keep one sprayer for herbicides-only]

    Bookmark   February 15, 2014 at 10:06AM
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My brother had a sprayer like that he used in his greenhouse, worked quite well actually his used a gell cell battery that could be replaced easily. You need to leave those charged up all the time or the battery will go bad.

    Bookmark   February 15, 2014 at 5:12PM
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Product report

I bought this sprayer, it came yesterday, and today I used it to apply dormant oil. I'm pretty pleased with it. It came mostly assembled, the rest was easy. The cart is substantial, it's easy to push around, the only problem is that it's back-heavy and tends to tip when empty.

It reaches the top of my trees, that are all below 15', and it covers them really thoroughly, really fast. I only have a dozen trees, and some are still small, but the battery held out while I did the whole job.

It does leave about a quart of liquid in the tank, but the drain is quite convenient, the tank is easy to clean out.

Definitely beats the backpack. I'd recommend it for someone with a dozen or so trees that aren't too tall.

    Bookmark   April 9, 2014 at 4:35PM
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Thanks for the report. Just wonder if it would work well with Surround WP.

I am looking for a new sprayer that could work well with Surround and other liquid spray.

    Bookmark   April 9, 2014 at 5:40PM
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I think it might, but the problem is always getting it clogged up with lumpy stuff.

    Bookmark   April 9, 2014 at 5:51PM
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Yes, clogging is the concern. I also consider Solo 475 B with diaphragm pump. It says it'll work well with WP and liquid spray but it's a backpack sprayer.

    Bookmark   April 9, 2014 at 7:21PM
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What you might consider is seeing if you can remove the filter from the nozzle.

But you don't want to spend $$$ on a sprayer just to experiment with.

    Bookmark   April 9, 2014 at 7:27PM
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