How to Remove Mineral Deposits from your Showerhead
Here is a simple plumbing tip to use to remove clogged and unsightly mineral deposits from your shower head:
Put one cup of vinegar in a plastic bag
Place the plastic bag over the shower head.
Using a twist tie to secure the bag leave it on the shower head overnight.
In the morning, remove the bag and the mineral deposits should come off by wiping with a damp cloth.