With the cost of Kodak Hypo Cleaing Agent becoming a major consideration, here’s a low cost alternative. Basically, Sodium Sulfite alone will work, but this is close to Kodak formula.

Stock Solution:

Sodium Sulfite, dessicated 100.0 grams
Sodium Bisulfite 15.0 grams
Sodium Citrate 1.0 gram
(EDTA Tetra-Sodium Salt 1.0 gram, or use Calgon 1gram per litre of working solution in hard water areas)

Dilute stock solution 1:4 for use, discard after.


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