Cheap & Easy Homemade Ant Spray

4 Materials
$025
3 Minutes
Easy

One of the most viewed chemistry tips post on Chemistry Cachet is this homemade weed killer (link in blog post below). Readers love how effective and easy it is to make. I have also used it to kill bugs! It works amazing to kill ants especially.


Over the last few months, I have modified it up a little to be an amazing and easy homemade ant spray!


The reasons I changed it up is to make it a little better for killing ants on any surface without leaving as much of a residue. Although this homemade weed killer is fantastic for killing bugs outside, it can leave a little salt residue behind in the home.


Remember! This for ANTS! For the weed killer, Click blog post link (at the bottom of this post it says check out our website with the word GO you click on) and we have it linked in article numerous times. We keep having readers asking why we don't share the weed killer, we have!!! Just click the blog post at the bottom.

Ingredients:

2 cups of vinegar, distilled

2 cups of water

3 tablespoon blue Dawn dishwashing liquid

3 tablespoons table salt

Spray Bottle (For the best spray bottle options, please click blog link below)


NOTE::::I've had people saying they've used this for weeds. This is NOT our weed killer. It has completely different ratios with addition of water for the chemistry of it. Please read the FAQs on our website to see the difference between this and weed killer!!!!!! People keep asking for the weed killer recipe, please read the blog post. We've linked weed killer 4 or 5 times for you. Also, this is not really for other bugs. You're welcome to try it, but this is specifically for ants.


Directions

Mix ingredients together, add to a spray bottle.


Shake well before spraying each time.


I use blue Dawn for all my solutions on Chemistry Cachet because it has worked better for me. You can use any dishwashing liquid you have on hand, but I prefer Dawn


**You might be wondering why we use so many of the same ingredients for solutions....it is all about the RATIOS and the Chemistry!! You can stock up on cheap ingredients like this and create hundreds of solutions, like the ones in our book and on our website.

TO USE:

Saturate the area the ants are crawling. They die in a few seconds. Make sure to spray the entire pathway they have used too.


Allow the ants to die, then wipe the area off with a paper towel! The lingering vinegar and dish soap scent deters them from coming back to this area too. Make sure to wipe surface to prevent any possible residue.


FOR FIRE ANTS: it will kill the ones around the home. For outdoor fire ants or mounds, you might need to use a lot more of this solution.

Chemistry Tips on Homemade Ant Spray

I know readers love understanding the reasons we use certain items in our solutions, so let’s discuss the chemistry behind this ant spray.


Vinegar & Dawn Dish Soap

Why do we use acetic acid and a surfactant like Dawn dish soap? Click post below!


Why Salt??


Salt has an interesting chemistry, but it also enhances the acidity. By adding salt, you increase the effectiveness of this solution.


Without water, salt won’t dissolve well. Like I mentioned above, our homemade weed killer doesn’t contain water, so the salt doesn’t dissolve completely. This is perfect for sticking on weeds and killing them. For an ant spray, you don’t necessarily need the salt pieces, just the salt water.


QUESTIONS???

YES, THIS IS PET FRIENDLY!! PLEASE CLICK LINK FOR ALL OTHER QUESTIONS!

Readers have already been using this solution an LOVING it! Make sure to click the blog link below for all the questions we've been asked. If you have a questions, make sure to read the blog link first!

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Alexis @ Chemistry Cachet

Want more details about this and other DIY projects? Check out my blog post!

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  • Rockie
    10 hours ago

    I have used just some liquid soap and water and it kills ants instantly. But I only kill the ones when they get inside the house.

  • I wouldn't use anything with salt. I tried one of these types of homemade spray with salt and soap for mosquitos and it left a horrid mess of dried salt residue.

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