Thanks. I am aware of the various dialogues on Li and how high levels should not cause problems. Just seems coincidental that things turned around after switching salts, but again I need to do another Triton test to see where everything stands now.Well urs is higher than mine . Mine is around 550 and I haven't been any water changes due to using ATI essentials . I have done a few wc to bring down not only Li but high levels of silica from siporax and high levels of lanthanum from using lanthanum chloride to handle phosphates .
Still honestly am not sure if levels of Li as high as 900 or 1000 is enough to kill corals that quick . I personally had them in 800s with no problem .
Here's a quick search of the presence of Li in water :-
https://www.reef2reef.com/threads/detox-to-remove-elevated-lithium-levels.225766/
May be Randy or anyone else can say what's the impact of high Li but I haven't seen any yet .
Regards,
Abhishek