Originally Posted by wwfloyd
Having noted that I purchased some original HC-110 from B&H -- my first ever... I have a question. I've opened the bottle several times, since I did not at first have a smaller bottle to work from. Each time, there are a few spots of darker color at the surface of the syrup. I presume one is supposed to shake / mix it. I expect the same to happen now, with the smaller bottle; shake before use?
I don't shake and I don't worry about the brown dots. This isn't something like Rodinal where crystals can form and there might be concern over specific chemicals coalescing out of the formula and causing changes.