Digital tests

Tonni • Coty❤️💍 Emmy: 11.08.13💖 Grayson: 09.07.16💙 Grace 11.24.17💖
Question with the digitals. I know everyone is different but when did you test with a digital and get your positive? I have positives with red dye. I am 14 dpo cycles 31 days and conception was December 21st. My 5 tests were faint but easily seen besides the very first.