. Here's how: Pour a full can around the rim so that it fully coats the bowl, then let it sit for at least an hour to allow the acids in the soda to break down the stains. Scrub with a toilet brush, then flush
Cecilia, here you go. Hope this helps! https://www.hometalk.com/43404390/clean-your-toilet-with-coke
If the purpose of the coke is its’ acids, vinegar is 5% acid and costs $1dollar.
It will not feed any mold or bacteria with sugar water (#2 ingredient in coke).
More details here: https://www.craftylittlegnome.com/clean-toilet-coke/