Dont use vinegar use citric acid and make sure the seat is guts down the the tub so the dissolving rust doesn't stain the plastic
![daumenhoch :daumenhoch:](http://www.radbmx.co.uk/forum/Smileys/smilies/daumenhoch.gif)
A little tub or two from wilkinsons home brew section should be enough or you can buy it on the bay in bulk
![](http://www.wilko.com/content/ebiz/wilkinsonplus/invt/0022652/0022652_l.jpg)
I guess this tub aint too little
![LolLolLolLol :LolLolLolLol:](http://www.radbmx.co.uk/forum/Smileys/smilies/LolLolLolLol.gif)