I bought a new A/S Aqualyn toilet and tank.My flange is below the new subfloor so I used 2 wax seals.With every flush I was getting one huge airbubble and a series of small ones.This was greatly interferring with the flush because as the water was trying to go down the bubbles were coming up.I phoned a plumber and he said I had to much wax.I took the toilet off,cleaned it all up,added a lift on the flange,used one wax ring ,and reinstalled it.I'm still getting the airbubbles.Can anyone help?