Can anyone elaborate on the differences between "Ilfotec HC" and "Ilfotec HC-D/Ilfotec LC-29", and their similarity with HC-110. It would seem that Ilfotec-HC and HC110 are quite similar, and are diluted similarly. LC-29 seems to be shipped in a more dilute form, but it's exact relation to these other two products is unclear to me.(posted 9123 days ago)