This may be a dumb question but I've gotten conflicted answers in all of my searches

Do the lines on HPT's have to get super dark? I'm still only getting lines about half as dark as the control line. I figured I would just ask you guys in all your wisdom if you know or if you have had experience with this...
In the meantime it is time to PUT.DOWN.THE.DAMN.TESTS...my new mantra

Re: Testing Question