Tips and methods to descale your shower head below:
1️⃣If the shower head can be removed:
Soak it in a bowl of hot water with citric acid.
Leave for 15 mins.
Wipe with a cloth and force water through the holes to clear out any remaining limescale.
2️⃣If the shower head cannot be removed:
Fill a plastic bag partway with white vinegar.
Place the bag over the shower head until the entire fixture is fully immersed in the vinegar.
Fasten the bag with a piece of string or twist ties wrapped around the neck of the shower head.
Let the shower head soak for several hours.
Remove and run water through the shower head to remove any vinegar remaining.