I used hydrochloric acid and water to remove concrete from my tools (in a plastic bucket) but did not know how dangerous it was and how complicated the disposal process can be--first time using it obviously. It is pretty late at night and there's not much I can do but I am scared to leave it...

I want to make my own batteries because of the cost of retail batteries. My current design is 32oz of vinegar with 10' copper 16guarge wire, 10' aluminum wire. After finding the voltage of the cell I would put them in a serious to make approximately 12v. What I want to know before taking this...

I have a room where I exposed a brick wall and redid the mortar by tuckpointing. It look beautiful but the whitish residue from the mortar needs to be cleaned and the best way to do it is using hydrochloric (AKA muriatic) acid. I have done that before and the results are beyond amazing. It made...

So i just built a brick hearth in my living room. Apparently I'm not very good at buttering bricks, because despite my best efforts when laying it, the bricks look mostly grey from the mortar. Will Muriatic Acid fix that?

We have Uba Tuba (black) granite slab countertops and after my husband worked with the acid cleaner on the slate flooring, he set the bottle on a towel placed on the counterop. Evidently, a small drip trickled down the side of the bottle, the towel absorbed and spread it, and we ended up with a...