hairs turning red is not what you look for - get a scope from Radio Shack they have several to choose from - there are standard magnifying lenses that you can stack and get different magnifications and there is a small microscope with a light built into it - then look at the tricrome and make harvest decision- look in the FAQ section to determine when you want to harvest- choose the high you wish to have from your girls and fine looking girls they are- what strain?