Because chocolate contains heart healthy nutrients such as flavonoids, methylxanthines, polyphenols and stearic acid, which reduces inflammation and increase good cholesterol (high-density lipoprotein or HDL cholesterol).

Granite stains when they come into contact with acidic solutions.

Be very careful in the use of bleach since hydrochloric acid, sulfuric acid, or other types of acid may react with the bleach and cause dangerous vapors to form.

I have scheduled sandblasting, then boric acid and vinegar spray followed by paint wood joists subfloor below, and Drylok supreme along the foundation wall. 

My own personal home and one of my higher end homes has acid stained and sealed concrete.

One is called Hair and Grease, it comes in a bag as it's an acid product-so consider your pipes and the environment.

Grind all concrete with a diamond wheel, don't use the acid etch.  

I think she would magically become more helpful after that.Also look into enzyme products then possible muriatic acid then kilz sealer

A savvy architect, knowledgeable of both building and fire protection codes, with the energy to muddle through the process, could prove to be very valuable.And since the sprinkler piping was installed in the attic spaces, we used a glycol system to prevent freezing.What's driving the requirement for a second water line... is the existing line too small to handle the sprinkler demand or do they want the lines isolated?  

@Jacob Murphy the cat pee is the worst because it is very acidic.