Response to TMX anti-halation; double fix nec. with dev. other than pyro?

Well, with T-grain (and the Ilford equivalent) films I've standardized on 3'/75F to about 5'/68F with continuous agitation, and for non T-grain films 2'/75F to 3'/68F with continuous agitation in rapid fixer. I use only ammonium thiosulfate rapid fixer for both film and paper, no standard ammonium thiosulfate fixer.

Maybe 30 years ago the first time I read the instructions for Kodak Rapid Fixer the sheet said "agitate continuously" and I've done it that way ever since. I have no idea what the instruction sheet says for Kodak or Ilford rapid fix these days.

I do find the HCA to be necessary to clear the dyes with T-grain films. The dyes actually do no harm at all; it's just annoying to have pink negs.

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