Cleaning a DJ

Postby Rolfster » Sat Oct 21, 2017 08:53

Hi.

I have been given a dj that had some copper coins kept in it. It has marks from them!

I have given it a few soaks in hot oxy and tried to scrub it with a brush but it's had no effect.
Any other ideas.
The marks are at the bottom so it's a but hard to reach!
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Re: Cleaning a DJ

Postby vacant » Sat Oct 21, 2017 09:15

I sometimes use a few ml of CRS to clean the conicals I use for yeast starters. I carefully tilt the conical to get the acid over the entire surface. I don't know what sort of oxide/tarnish you have but any acid such as citric or vinegar might help.

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Re: Cleaning a DJ

Postby HTH1975 » Sat Oct 21, 2017 09:48

Hot caustic soda is great for stubborn stains if PBW doesn’t shift it.

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Re: Cleaning a DJ

Postby Rolfster » Sat Oct 21, 2017 11:05

vacant wrote:I sometimes use a few ml of CRS to clean the conicals I use for yeast starters. I carefully tilt the conical to get the acid over the entire surface. I don't know what sort of oxide/tarnish you have but any acid such as citric or vinegar might help.


Great idea. I'll have a look and see what acids I've got.

HTH1975 wrote:Hot caustic soda is great for stubborn stains if PBW doesn’t shift it.


I guess that's the next step.... but I don't want to break the dj with hot water!
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Re: Cleaning a DJ

Postby robwalker » Sat Oct 21, 2017 11:15

Acid based cleaner might react will copper so make sure you're well ventilated. Does bring it up an absolute treat though
Caustic is unlikely to work imo, its mainly for organic matter.
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Re: Cleaning a DJ

Postby Cheebs » Sat Oct 21, 2017 12:49

It might sound stupid lol but what about cola?
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Re: Cleaning a DJ

Postby Oldstunty » Sat Oct 21, 2017 13:54

I used to put uncooked rice in with the oxy and give it a good shake. This used to shift stubborn stains.
Don't eat the rice afterwards!!

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Re: Cleaning a DJ

Postby Rolfster » Sat Oct 21, 2017 15:00

Cheebs wrote:It might sound stupid lol but what about cola?


Funnily enough I was thinking as I added the citric acid "if this doesn't work I'll try Coke!"

robwalker wrote:Acid based cleaner might react will copper so make sure you're well ventilated. Does bring it up an absolute treat though
Caustic is unlikely to work imo, its mainly for organic matter.

That's good to know Rob.
It's looking better already so I don't need to try the caustic especially as it won't work anyway!

Oldstunty wrote:I used to put uncooked rice in with the oxy and give it a good shake. This used to shift stubborn stains.
Don't eat the rice afterwards!!

Cheers,
Jon.


Rice is the next port of call then!
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Re: Cleaning a DJ

Postby Rolfster » Fri Oct 27, 2017 21:59

So the citric acid seems to have cleaned this up a treat. Cheers for all the input guys!
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Re: Cleaning a DJ

Postby john luc » Sun Oct 29, 2017 13:03

a bit of stainless steel chain with small links is ideal to throw in with warm water and allows you to swirl it around.
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