How do i keep the toilet brush clean?

Save old large soda bottles, or juice bottle / bleach bottle. Cut off the top. Mix water and bleach in the bottle occasionally. And swish the toilet brush in it . Then rinse . Put the container in recycle or dispose of it . I store my brush in one of these free containers behind the toilet .

I know exactly what you mean. I hate that they eventually rust where the bristles are attached. I just invested in decent rubber gloves and non-scratch cleaning pads and skip the brush all together.

Great question! There are several methods in case you do not want to use bleach.

https://www.cleanipedia.com/gb/bathroom-cleaning/how-to-clean-a-toilet-brush-and-toilet-brush-holder

https://www.apartmenttherapy.com/how-to-clean-a-toilet-brush-brush-holder-and-plunger-249218

https://speedcleaning.com/2016/cleaning-tips-from-the-clean-team/3-simple-steps-clean-toilet-brush/

https://www.diynatural.com/homemade-toilet-cleaner/