OK, I might do this. Have already fully opened the vent - there's an awful lot of condensation.
You only want it open a very small way.
But I've got rivers of condensation running down the inside/starting to run down the outside. Seems like it needs way more air than what a 2mm gap will provide.
@deleted started
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OK, I might do this. Have already fully opened the vent - there's an awful lot of condensation.