Answer to John Bagtas: It's close enough for government work. I only weigh those ingredients when I want to tell others what I'm doing and I want them to believe me. Kodak, in earlier days when they gave out formulas, recommended a scale that could measure in 1/10 gram units. Since we each establish what time and temperature are right for development, consistency of measurement is more important than absolute accuracy.(posted 8269 days ago)