I know it’s so hard but please stop testing today!!!! You are so unlikely to get another positive, your urine will be so diluted now you’re awake!!
If you can get a first response early result for tomorrow I am so sure you will get a clearer line. I’ve been where you are, obsessing after getting a faint on an IC and desperate to know for sure.
Pink dye is better than blue apparently and don’t go for a digital, they are not as sensitive as normal tests. I’m sure tomorrow feels like a lifetime away right now but honestly you are going to get yourself all stressed out testing over and over. Xx