I've had microdots before; bought em at ********, first year, when acid wasn't EVERYWHERE. Mine was a dark brown, larger than a poppy seed, but smaller than a marijuana seed. It was my first time on acid, but it didn't really hit me so ridiculously hard like you are all telling me. Frankly, it hit me the same as most single hits of paper hit me. Ya know, there was a definite perception difference, but little to no visuals. Perhaps my microdot had less in it than yours all did.
[Details removed to comply with forum guidelines; p_d],