Quote Originally Posted by Mike Wilde View Post
if you gravitate to home brew, and want a stable shelf life, I would suggest you research Patrick Gainer's discussions - mostly as old posts on this site - on a product he called PC TEA.

It used phenidone, acsorbic acid, and an organic solvent (that may be hard to find in parts of the world), Tri Ethyl Amine.
TEA is triethanolamine which is quite different from triethylamine.

IMHO. you really can't include replenished developers like 777 in any discussion of longevity since fresh developer is constantly being added.