Hello, i am new to TOH and welcome all comments, suggestions. I am a fairly new home owner, single parent. I may be using the wrong terminology please correct me if wrong. I want to learn how to replace, repair items on my own with help of course. I have a problem with the pressure in the shower area only. The water disperses from the shower and tub area(slowly), when i removed the knobs the pressure is strong, its only when i put them back on, the pressure is slow. The pressue is find in the rest of the house. PLEASE HELP!!!!!!