Here is the formula for TF-3. It is an akaline fixer. Do not use a stop bath. TF-3 Ammonium thiosulfate 57-60% 800ml Sodium sulfite anhydrous 60g Sodium metaborate 5g Add water to 1 liter. Dilute 1:4 for use.
TF-3 Ammonium thiosulfate 57-60% 800ml Sodium sulfite anhydrous 60g Sodium metaborate 5g Add water to 1 liter. Dilute 1:4 for use.
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