A good way to kill fungus in the shower is to use some bleach and water and a scrub brush.
You can pour half bleach and half water in a bucket and then use a scrub brush and dip the scrub brush in the bucket of diluted bleach.
Then scrub the shower where the fungus is and it will kill the fungus and clean the shower.
You can also mix some bleach with some water in a spray bottle and then spray the shower fungus and allow it to sit for 10 minutes and then use a scrub brush to clean the fungus off.
Then if you have a handheld shower head you can use the handheld shower head to spray the shower off and wash the fungus away.
You can also clean your shower head with some diluted bleach or even vinegar in water.
A good way to clean and disinfect your shower head is to soak the shower head in a bag of vinegar.
Pour a cup of distilled white vinegar into a large plastic food storage bag and then tie the plastic bag to the shower head and let it soak overnight.
Then the next day remove the bag and run the hot water to clean out the shower head.
The vinegar will not only clean and disinfect the shower head but it will also help remove calcium deposits from your shower head as well.
You can also disinfect the shower head by soaking the shower head in a bag of diluted bleach and the bleach will clean and disinfect the shower head as well.
Then run the hot water through the shower head to wash the bleach out and then wipe the bleach off the shower head.