NaOH. ProTools Brick cleaner. ProTools graffiti remover. Sherwin William’s graffiti remover. Oxalic acid. Muriatic acid… I learned a bunch of things that DON’T work… so that’s something, right?
Now you are ready for your final lesson. Walk away.
This is wicked stuff. It will burn your skin off. Hazard class 4. Full rubber suit. But it sounds like they have a handle on the situation.
The after pic is to the left of the door, but all the bad stuff to the right of door in 1st pic.
Sorry, it wasn’t in the chemical category so I didn’t this one…someone please @CaCO3Girl me next time.
I think I’ve seen that before. The cheapest and safest option I suggest is a caustic cleaner with butyl…have you tried the purple stuff that is usually called purple lightning, or purple magic…something along those lines?
Purple power ? Lol
Yes, purple power is another name
Is that after Purple Power Instock? Thank you.
what was it that you used?