you can dip metals in the stuff used to coat tool handles.. its a vinal If Im not mistaking.. its used quite a bit by SW
aquarist to keep lower grade SS parts from rusting..
Jpox.. Ive recently read bout SW
coral gardens that dont get fed because PVC
leaches P and the N and C come form the air. heck I saw pics of the eggcrate turning green after a few months in the areas the coral were not close to them.. and the guy wasnt feeding them anything.. :P (he seemed to think bacteria was very prevelent and much more nutrious then anything he could feed and was getting Exellent growth out of the system).. perfesionals make me sick.. LOL