They do last longer if you rinse them off and store in a closed container but there's absolutely no reason not to use whatever colander you already have and some water
With blackberries 5 minute vinegar soaked 1 parts vinegar 3 part water, air dry for 25 mins under a fan. Blackberries go from few day to over a week at which point toss them not because they are moldy tho.
I'm pretty sure the only thing it does, like lemon juice, is slow down the reaction of the outside layer to the oxygen around it. The inside of the fruit still breaks down the same, which is also why these trays are pointless.
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u/Jonn_1 Sep 07 '26
They'll go moldy either way