Quite unfair for him to forfeit though. Anyone who's bored can just rack up the price extremely high and then forfeit. You may start seeing a 1 trillion dollars sun coral
Some labs use slamming head against table. Seems effective as fish should immediately suffer from concussion before dying.
I still prefer the freezer method though
Nothing spectacular. Coral was healthy, no enhanced coloration though. Hard to dissolve, recommend to aerate overnight. The batches are very constant though. Good salt if you want to have a constant salt as a base for dosing