Quote:
Originally Posted by alexmuir
...you could devise some sort of floating lid...
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I would like to put in a good word for Plastazote from
https://www.efoam.co.uk/zotefoam-pla...FQaVGwodj1gBCg
as a floating lid. Type LD33 is Nitrogen-blown (so it won't react with the developer) and made of cross-linked polyethylene (so it isn't affected by it). A metre-square sheet, 5mm thick, costs £14.65 in post and VAT. It is a material I can vouch for. I recently came across a 60L RA4 developer replenisher tank with its floating lid from the mid-1990s, in a fully-functioning state. It looked disgusting but came up shining after a couple of days in 5% citric acid.
Make sure it fits well in the dish.