Quote Originally Posted by MegadetHCl View Post
I used sodium azide in my loop for several years without changing the water. We used this stuff to preserve antibodies diluted in 5% milk during my thesis work, the milk could stay "fresh" at 4C for more than half a year. In my new upcoming loop, I'm thinking of using something less toxic and mutagenic, as any tiny spill of water containing sodium azide was a biohazard risk =)
umm silver killcoil??

can belive people still run additives.. after all the horror stories.. even with just PT nuke inline..