Oren posted for all of us...



On Wed, 27 Sep 2017 17:14:02 GMT, Nick
m wrote:

It is a scale build up from urine and is very hard. You can scrape it off with
a flat screw driver or any sharp object you can get in to scrape it off

Sure, go ahead and chip the bowl glazing while other simpler methods
work and take three (3) minutes.

I would think a Snap-On large pry-bar would be the solution. Much wider
blade. Get one with a striking head...


--
Tekkie