Defender 61

Water at appx. 70 degrees F. 500ml
Dessicated Sodium Sulfite 15.4g
Potassium Bromide (10% solution) 2.5g
Amidol 3.8g
Water to make (70 degrees F) 1000ml
For the richest blacks, develop prints in the stock solutions. Dilute 1:1 for better separation in low values. For best results, dump your solution and mix fresh developer after about an hour of use, regardless of how many prints have been developed.