Does anyone know what the material of the platter is made off? I was thinking it would be easier to just take off the lid in front of the drive, basically what is covering the platters and just throw the entire drive into a bucket full of water and salt. Within a week depending what material it’s made off it should completely rust away.
Regarding the acid. No idea where to buy acid or even how much it would cost. I think it’s better just using salt and a large bucket of water.
This can really do some damage, but there is always the possibility of recovering some information, with the right equipment.
You want a quick service... the best way is to damage them with a sledgehammer.
Another solution is to go through a construction site and ask a machine to go over them, they were impossible to recover.