white tips

Have a couple of Malaysian Holy Grails available In this photo, it is on the far right https://www.reef2reef.com/threads/high-end-torches-asd-holy-grail-malaysian-holy-grails.1079676/

Good morning all. So i have one acro frag, had it about 2 weeks in my 52l evo. This week it has rapidly started turning white at the tips. Ill list my parameters and setup with a photo. I test everything twice a week. I do 1liter water changes every other day to try ank keep stability. The acro...