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Sprayer for compost tea  RSS feed

 
Posts: 141
Location: Huntsville Alabama (North Alabama)
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Any recommendations for a backpack sprayer for compost tea?  I want to use for foliar spraying.

My Stanley backpack sprayer seems to struggle with the particles in the brew.  Don't want to have to dismantle every time I use it.  Rinsing out is preferred.

I did let the brew settle for a few minutes and only poured from the top to avoid grains of sand or etc.

Thanks
 
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Hello Dennis!

Most sprayers will struggle with particles, especially if your trying to create a fine mist, like with foliar feeding. If your tired of cleaning out a clogged nozzle. I would suggest pouring the tea through some type of fabric to catch any particles, before putting it in your sprayer. A makeshift filter of sorts, would be easy to make, and you could use most tight weave cloths as the filter. If you can't put the cloth over the fill opening in your sprayer. Try a cleaned out bucket for catchment, take another bucket with holes in the bottom for drainage, and tie your filtering cloth around the top of the bucket with holes. Make sure you tie the cloth with some bag in it, so it has a concave bowl shape to accommodate the pouring liquid. Set the filter bucket inside the catchment bucket; then pour in your tea. After pouring, just slowly  lift up on the filter bucket, untill all your tea is in the catchment bucket. Now your ready to load your sprayer, for amore trouble free spraying.

Hope that helps
 
Posts: 72
Location: Indiana
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R. Steele's comment sounds good.  I still have to figure it out if it is easier than what I do.
I spray a lot and I do two separate pours through window screen and then another pour through a kitchen strainer into the sprayer.
It sounds like a pain but not near as bad to have a full, pressurized sprayer in the back forty with a plugged intake - grrrrr!!!
After three times I realized that it wasn't a waste of time straining the particles out.
Good luck.
 
Dennis Bangham
Posts: 141
Location: Huntsville Alabama (North Alabama)
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I did use a paint strainer bag during the brew and it caused my backpack sprayer to jamb.  I may look for some edible oil and try to free it and then make a strainer bucket. 

I also found some suggestions to use a Solo backpack sprayer which seems to be recommended by someone at the Soil Food Web Course.  It has a 400 micrometer nozzle but it was the pump that was a problem with mine.

An Ag Sprayer was also suggested in some gardening sites but I think a battery is required for these.  Maybe I can find one that works on air pressure.
 
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Location: Vilonia, Arkansas - Zone 7B/8A stoney, sandy loam soil pH 6.5
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Usually sprayers set up for compost tea have been modified at the intake by using a fine mesh screen over the pump intake.
I use cut pieces from a kitchen strainer that is fine mesh and a zip tie or two to fasten it in place.

I use the same type of strainer to fill the spray tank through, that generally keeps all the bits out but lets all the microorganisms through.
 
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