I was just wondering how many people have had false positives on Sainsbury’s own blue dye tests? They’re the ones that are about £4 with 2 in the pack? I’ve seen so many people on different threads get false positives with them and I’ve had a few myself. Worth an email to their customer care team or no? It’s so distressing seeing a positive when it’s false when ttc, or even for those who are avoiding pregnancy 