Frederik Boone’s Recommendation for Kodak Tri X

Developer

Dilution

Time

Temperature

E.I.

Rodinal

1:100

20 m

20° C

400

Comments:   Agitation during the first 30 seconds and two inversions at the beginning of  every minute.  This is for 35mm film and for use with a condenser enlarger.

Ed Buffaloe’s Recommendation for Kodak Tri X

Developer

Dilution

Time

Temperature

E.I.

PMK

1:2:100

12 m

75° F

250

Rodinal

1:50

7 m

75° F

200

Acufine

Standard

5.5 m

70° F

800

T-Max

Standard

6 m

70° F

320

Comments:  For PMK agitate for first 30 seconds, then 5 seconds (2 inversions) every 30 seconds thereafter.  All others, agitate for first 30 seconds, then 10 seconds (4 inversions) per minute.  For diffusion enlarger.

Fritz Ptasynski’s Recommendation for Kodak Tri X

Developer

Film Type

Time

Temperature

E. I.

Divided D-76

35 mm

5m/8m

75°F

320

Divided D-76

120

5m/9m

75°F

320

Comments:  In a large tank, agitate the A Bath continuously for the entire 5 minute cycle. Agitate the B Bath continuously for the 1st minute, then 5 seconds every 30 seconds for the remainder of the time cycle.