Sorry for diverting, but has anyone tried a technique of using a stud finder to drill between wall studs, and then squirting (if you can squirt a powder) Boric acid into the holes?

Maybe you could do acid wash to brighten the brick a little bit.

The only thing I've ever found that works is powdered sugar mixed with boric acid (not boraxo) about 2/3 sugar to 1/3 boric acid.It's poison, so place where pets and kids can't get it.The ants carry it away, so it isn't there very long.

I heard they are tainted with sulfuric acid that can damage your plumbing...

anyone here tried boric acid, the powder. you know, the stuff they use to kill roaches

Boric acid works well too.The research I've done on bedbugs indicates that DE isn't the best for getting rid of them.

The glass can either be etched with hydrofluoric (HF) acid or sandblasted.

Is throwing acid in someone's face evil?

., condensation on AC coils or water in your lungs) to form sulfuric acid (H2SO4) and hydrogen gas (H2).

Urine is sterile and highly acidic, and once the ammonia smell and the water evaporates the remainder is mostly salts.