I keep getting an orange sludge in the cold water tank, which restricts the cold water flow into my power shower. Where is the sludge coming from and how do I stop it

Pump or city water? Tom

I keep getting an orange sludge in the cold water tank, which restricts the cold water flow into my power shower. Where is the sludge coming from and how do I stop it
City water

A cold water tank requires monthly maintenance.

The orange sludge is likely the result of algae bloom.

Consult the tank manufacturer for an appropriate maintenance schedule and procedure.