Be very careful who is telling u round up is safe

On the side of the bottle it states POISON

And it's a carcinogen

This chemical cocktail is made to last rain hail or snow it's built to last in water

Whoever is telling u otherwise sounds like they are not for cats and for pets

Round up in small amounts will create havoc in a cats digestive tract
And cost u a fortune in vet bills

Read the science
http://www.gmoseralini.org/roundup-is-more-toxic-than-declared-new-criigen-study/

Use pine oil or boiling water

Y do you need to spray poisons?

My cat died from round up contamination