After many months of reading, navel gazing, episodic bursts of darkroom activity and experimentation, my quest for a pleasing colour balance and richness of tone for my B&W prints has ended 
Everybody has a different answer to this of course, but here's mine;
------------------Ilford Multigrade IV FB glossy paper.
I loved the look of Ansco 120 developer, but wanted the depth, richness, and keeping qualities of Glycin, so I came up with what I call;
--------------------------12/15 Developer
750 ml...............................Hot-ish Water
12 grams............................Metol
36 grams............................Sodium Sulfite (anhydrous)
30 grams............................Sodium Carbonate (anhydrous)
45 ml.................................Potassium Bromide (10% solution)
15 grams............................Glycin
Water to make 1 litre of Stock Solution (S.S.)
Add 15 ml of 2% Benzotriazole per litre of S.S.
12/15 S.S. properly contained will easily last a year.
Dilute 1:3 for Working Solution (W.S.)
Use at 70 to 72 degrees F...warm Glycin is happy Glycin.
----------------------------Developing Time
Because I keep 12/15 W.S. for up to several months...depending how much it gets used...and because I want consistant print results over time I use the Emergence Time (E.T.) of the image in the developer, multiplied by a Development Factor (D.F.) to find development times.
This developer has a slow image E.T. so I use the E.T. of the negatives clear edge multiplied by a D.F. of 4.5 for normal development. An E.T. of 40 seconds multiplied by a D.F. of 4.5 equals a developing time of 3 minutes. When the E.T. gets to about 48 seconds it gets tossed.
Applying a larger D.F. doesn't result in an overall darkening of the image, but has proportionally more effect on the darker print values...a quality which I believe is unique to Glycin.
---------------------------------Stop Bath
30 seconds water stop
--------------------------Fixing - Toning - Washing
60 seconds TF-3 alkaline first fix.
20 seconds water rinse.
60 seconds TF-3 alkaline second fix, then straight into;
KRST 1:10 for about 3 minutes, or before it 'eggplants'.
Water rinse till end of printing session.
Wash for 1 hour.
While nice seen in daylight from a north window, they come alive under a daylight / tungsten mix, or under tungsten light at night. Something happens when the higher print values reflect proportionally more warm light than the cool, deep shadows...and the middle values spring to life. They are nicer than my selenium toned prints made on the original Zone VI Brilliant.
My quest is now at an end, and this post is like driving a sword into the heart of the dragon. Now for the grinding task of reprinting everything!
(OOPS...edit) Diffusion lightsource...Zone VI variable contrast cold light.
Murray

Everybody has a different answer to this of course, but here's mine;
------------------Ilford Multigrade IV FB glossy paper.
I loved the look of Ansco 120 developer, but wanted the depth, richness, and keeping qualities of Glycin, so I came up with what I call;
--------------------------12/15 Developer
750 ml...............................Hot-ish Water
12 grams............................Metol
36 grams............................Sodium Sulfite (anhydrous)
30 grams............................Sodium Carbonate (anhydrous)
45 ml.................................Potassium Bromide (10% solution)
15 grams............................Glycin
Water to make 1 litre of Stock Solution (S.S.)
Add 15 ml of 2% Benzotriazole per litre of S.S.
12/15 S.S. properly contained will easily last a year.
Dilute 1:3 for Working Solution (W.S.)
Use at 70 to 72 degrees F...warm Glycin is happy Glycin.
----------------------------Developing Time
Because I keep 12/15 W.S. for up to several months...depending how much it gets used...and because I want consistant print results over time I use the Emergence Time (E.T.) of the image in the developer, multiplied by a Development Factor (D.F.) to find development times.
This developer has a slow image E.T. so I use the E.T. of the negatives clear edge multiplied by a D.F. of 4.5 for normal development. An E.T. of 40 seconds multiplied by a D.F. of 4.5 equals a developing time of 3 minutes. When the E.T. gets to about 48 seconds it gets tossed.
Applying a larger D.F. doesn't result in an overall darkening of the image, but has proportionally more effect on the darker print values...a quality which I believe is unique to Glycin.
---------------------------------Stop Bath
30 seconds water stop
--------------------------Fixing - Toning - Washing
60 seconds TF-3 alkaline first fix.
20 seconds water rinse.
60 seconds TF-3 alkaline second fix, then straight into;
KRST 1:10 for about 3 minutes, or before it 'eggplants'.
Water rinse till end of printing session.
Wash for 1 hour.
While nice seen in daylight from a north window, they come alive under a daylight / tungsten mix, or under tungsten light at night. Something happens when the higher print values reflect proportionally more warm light than the cool, deep shadows...and the middle values spring to life. They are nicer than my selenium toned prints made on the original Zone VI Brilliant.
My quest is now at an end, and this post is like driving a sword into the heart of the dragon. Now for the grinding task of reprinting everything!
(OOPS...edit) Diffusion lightsource...Zone VI variable contrast cold light.
Murray
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