It will require some arithmetic. Let's suppose your Gilmour (or Ortho) hose-end sprayer is set to deliver at 1 Tablespoon per gallon. That's a mixing ratio of 1:256 (there are 256 Tbsp per gallon). These sprayers will hold up to 1 quart of solution. So if the concentrate you put in the hose-end sprayer is 1/2 cup in 1 quart of water (equiv. to 2 cups/gallon), then the actual concentration coming out the sprayer will be 0.375 teaspoons per gallon -- which is about right for a foliar spray.
Quote:
Originally Posted by mrthegreek
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