New formula Nitromors green can is available widely from places like Screwfix but at £52 for 4 litres its a big purchase. I got 375ml can for £10 from an old fashioned hardware shop.
I am trying to get the white gloop lacquer (probably acrylic), from my S400 MPR Sporter stock chequering and nooks and crannies, but I' have sanded off from the plain surfaces. I will do the polythene wrap too.