Help with trident and alk testing !!! Changed all three reagents yesterday….same lot as before. - middle box out of the 6 month supply. Ran a test after changing and all looked well-alk at 8.7- where it’s been averaging for awhile. The trident ran the next test at 6pm, and again, things looked normal. Woke up this morning to an alarm. Alk at midnight -was 13.08. And then at 6am-the trident said the alk was at 14!! I retested the water twice with Hanna, and it read 7.8 both times. I then retested with API (I know…some say it’s junk-but it’s my backups backup!). API read 8-9. At 8 it was yellow, but not bright yellow. With 9 drops it was bright yellow. So, Im calibrating the trident now. What else? What would cause the trident test to swing so dramatically?