How to Level a Wobbly or Sinking Toilet (Using Shims)
To level a wobbling or sinking toilet, start by locating the movement at the base and shut off water to remove pressure. Clear the area, empty the tank, and inspect the flange, bolts, and wax ring for looseness or damage. Choose plastic, stainless steel, or composite shims and stack 2–3 thinner pieces under the flange…
