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Bob from Glenbeulah, Wi writes

How many ounces do I use per gallon to spot treat my crab grass with QuinKill?

I don't want to know how much per 1000 square feet. I want to know for spot treating purposes. I've been using 1.5 oz per gallon, results non existent. Should this product kill dandelions?

Answer:

As with most herbicides like QuinKill Max the exact volume of water is not very important, you just need to be sure you are getting the correct amount of product on a specific area.  Generally speaking 1 gallon covers 1000 sqft, so you can apply 1.45 fluid ounces in 1 gallon for spot treating. QuinKill can kill common dandelions but does state on the label Tank mix partner or sequential application required.  Did you use a methylated seed oil surfactant which is required for use with this product?  If you did not use a MSO with the product that could be the reason for not having success.  Also the active ingredient in QuinKill is a slow kill can take up to 6 weeks to kill sprayed weeds when used as directed. 

Answer last updated on: 05/15/2017

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