FORMULARY TD-31, substitute for Selectol Soft, is a neutral tone low -contrast print developer similar in properties to Selectol Soft. It produces subtly softer, cleaner prints than Selectol Soft, using the same dilution and time. Note that Selectol Soft is very close to Ansco 120 and Beers #1 - TD-31 produces slightly lower contrast and more neutral tone than these developers, yielding somewhat more print control.
