Originally Posted by Akki14
coffee and washing soda (sodium carbonate pH ~11, not sodium bicarbonate which is baking soda) does develop film. Not tried the orange juice thing.
I have used coffee and caustic soda but not orange juice.
They claimed orange juice would work on an episode of Mythbusters but I think it would need some caustic soda too to get it more alkaline.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.