Sodium
thiosulphate anhydrous :- 120 grammes Dissolve thoroughly, then add
this solution :
Water
at 70 C :- 200ml
Potassium
alum crystal :- 30 grammes Slowly add the following, you must include
the milk-like precipitate, while stirring rapidly :
Cold
water :- 20ml.
Silver
Nitrate crystal :- 1 gramme.
Sodium
Chloride :- 1 gramme.
Water
to :- 1000ml.
This
is a single solution toner. Prints take on a chocolate brown tone after
approx. 12 - 15 minutes. Do not use this toner over 49 C
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