Be carefull with mold, nothing to mess around with. We had black mold in my old apartment around a year ago, and now my roommate still has symptoms to this day. Always stuffed up. It's awful. Take precautions!
I would love to install one of those new chair height toilets, but afraid I will run into some issues. The previous home owner finished out the basement and installed the tile flooring in the bathroom. It appears he grouted around the toilet while in place. (Photo attached.) Guessing if I go and start to pull it up, it will be a bigger deal than I want to deal with. Grrr... Attachment 9447
Typical workmanship these days, that tile setter should be removed from the gene pool.
A small floor or desk fan, placed aiming at the tank and set to low speed and always on will get you through the hot summer months when the tank sweats.
also creates a pleasant breeze when sitting on the throne
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Get a new larger base toilet and float it over the top of the tiles ensuring correctly set and properly silicon sealed. That way you can pull the toilet out if you need to but being a one piece sealed unit this may not be needed.