How to remove weeds with hot water and what else?

Here is an article for you Alyce that includes recipes for weed killer. Be advised to use this carefully as it will kill other vegetation like perennial flowers and grass that you may not want gone. https://garden.lovetoknow.com/wiki/Recipe_for_Vinegar_Weed_Killer

Vinegar and salt.

There are several here on HM:

https://www.hometalk.com/search/posts?filter=weed%20killer

I just soak the area and pull the next day...I need the exercise! LOL

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This is not an exact science – approximate measures are totally fine 1 gallon white vinegar and cup Epsom salts and ¼ cup liquid dish soap Combine ingredients in spray bottle and treat weeds at the hottest time of day for best results.

just hot water boiling hot- that's all it is. it fries the root system.