How concentrated should I make a citric acid pickle ?

[Gordon French 1Participant @gordonfrench1]

I have found that I can store my pickle in picnic cooler chests. I also store me welch steam coal under water

in another one. If you need clear water in large quantity you can use these chests to collect rain water.

with a trash can liner for a funnel.

Gordon French

Roseburg, Oregon USA

[Peter Etherington 2Participant @peteretherington2]

Cup alloys suggest a mix of 20g of salts to 1 litre of water

[Jon LawesParticipant @jonlawes51698]

Posted by Peter Etherington 2 on 26/08/2021 17:56:44:

Cup alloys suggest a mix of 20g of salts to 1 litre of water

I suspect at six years old he has probably come up with a solution… pun intended!

[Dave Smith 14Participant @davesmith14]

I bought a 5kg bucket of it from Ebay for about £10.

[Bob StevensonParticipant @bobstevenson13909]

Interesting topic!……

I do have some citric acid…….the remains of a small pack that came from Cup-Alloys and a larger bag from a brewing supplies outlet. It's not expensive, is safe for humans and is easy enough to use…..

However, I have stopped using it now as I did'nt really like how it treated my clock parts. Citric quickly turns brass parts a distinct pink colour, presumably by removeing the surface zinc so that copper is uncovered and also b y giving the surface finish a 'satin' or semi-matt effect. All these symptoms show up quite quickly.

I now just wash and lightly scrub brass parts in ordinary household detergent in hot water and use a soft nylon nail brush. So far I have not seen any problems with flux etc being retained around joints and will go on using it instead of citric….although there may well be a chance of using the unique look of citric on a future clock.

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