Donate https://www.firstdensitymaterial.com/...

Power Supply.
https://www.amazon.com/EAGWELL-Univer...

Acid
400ml of 85% phosphoric acid
400ml of Distilled water

Has been tested to work this morning. So if you don't have access to "DMB".

A drop of dishsoap would be good to reduce surface tension on the parts if you have complex pieces.

https://www.amazon.com/dp/B06Y1B82TG/...