SP-8x10 daylight processing tray darkroom shelf life (after mixing) is

shelf life (after mixing) is at least a year

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Notes: You cannot use an SP-445 lid on the SP-645 Max since the hold down tabs have to be modified

SP-8x10 daylight processing tray darkroom shelf life (after mixing) isAfter years of research (and several not so successful attempts) we've got the answer for large large format processing: the SP 810! Simple: No frames holders to fumble with in the dark. Just take the lid off and drop in your film. No seals, O rings or complicated mechanical contraptions. Efficient: 500 ml of liquid, (actually, with most chemistry, you only need 300ml.) Flexible: It will handle anything smaller than 810. Simple dividers keep smaller