Kodak D-72

Neutral tone print developer

Water 125F/52C500ml
Metol3.1g
Sodium Sulfite (anhydrous)45g
Hydroquinone12g
Sodium Carbonate (anhydrous)67.5g
Potassium Bromide1.9g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: 1+1 can also be diluted 1+2, 1+3, 1+4. Increasing dilution lowers contrast.
Usage: Starting point dev time: 4 mins (film) 2 mins (paper)

Notes 

Increasing or decreasing development time will increase or decrease contrast.