Run the water from the sink as hot as you can and run it through the bowl(s) stems(s).
I always used this method to get the majority of the resin loosened up and alot will break loose from the temp/pressure of the hot water, especially if the hot water heater is set 120-140F
Follow up with the ISO/salt method to get them more or less spotless...
I always used this method to get the majority of the resin loosened up and alot will break loose from the temp/pressure of the hot water, especially if the hot water heater is set 120-140F
Follow up with the ISO/salt method to get them more or less spotless...