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+1 on RIT Dye by why the primer Briss? The dye should directly stain the plastic black. I just did a bunch of the stainless overflows that have the white nylon thread on the bottom. Simmer in a saucepan of RIT dye + water + a little vinegar (helps the dye get into the plastic). Now beautifully jet black and because its a dye that soaks into the plastic it will never chip off. No drying time - just soak until the water remains clear (mine took abut 20 mins to wash out excess dye). I'm about to do some PVC pipe this week also - see below - didnt work well on the PVC at all.

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The other option is auto interior vinyl dye - sold at auto shops for recolouring the interior of cars. It comes in a spray can so much better for bigger objects or plastic that cant handle simmering in a saucepan - again just like RIT because its a dye it soaks into the plastic and wont chip/flake. People used to use it to recolour white plastic computer parts (back when everything was beige).

edit: RIT dye worked on the nylon strainers but not on PVC.

Edited by Grubs
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Thanks Grubs,will try the boiling method,I used the primer because like the vinegar it etches into the pvc and then I could paint the long lengths of pvc but Thanks to aquaholic99 I now know how to dye the lengths! :beer:

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Ok I just tried RIT dye on PVC tonight and it didn't work. Firstly getting the water to a simmer meant the 90mm stormwater PVC I was dying started to deform in the heat. Secondly the dye didn't absorb into the PVC much at all. I now have pale grey PVC.

I've seen a couple of youtube videos that recommend acetone in the dye so I'll try that (when it cools)... otherwise its off to autobahn for a spray can of vinyl dye.

Edited by Grubs
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