Kaijuets blod är ammoniakbaserat. Per Guillermo Del Toro:
"The second thing that the Kaiju do which is, they decompose and they release an agent called Kaiju-[blue] that completely destroys the cities, makes the air impossible to breathe. The blood is completely acidic. So they figure out that the base of fluid of the Kaiju is ammonia-based. So how do they neutralize it? But it takes a while because, first of all, it melts the pavement, melts the structures around it, makes a noxious gas. By the time they get to a Kaiju, the first few attacks, they can't even get samples or corpses or pieces to analyze it. The Kaijus are essentially triggered to self destroy if they fall. So it's a very smart weapon."
Såsom ses i den här videon från Comicon före 2013-utgåvan av filmen -
Ammoniakärganskagiftigtfördetmarinalivet,per från Wikipedia :
The toxicity of ammonia solutions does not usually cause problems for humans and other mammals, as a specific mechanism exists to prevent its build-up in the bloodstream. Ammonia is converted to carbamoyl phosphate by the enzyme carbamoyl phosphate synthetase, and then enters the urea cycle to be either incorporated into amino acids or excreted in the urine. Fish and amphibians lack this mechanism, as they can usually eliminate ammonia from their bodies by direct excretion. Ammonia even at dilute concentrations is highly toxic to aquatic animals, and for this reason it is classified as dangerous for the environment.
Även om det inte är vanligtvis giftigt för människor och däggdjur, kan vi få det som heter Hyperammonemia , vilket är ett överskott av ammoniak i blodsystemet. Det är ett farligt tillstånd som kan leda till encefalopati och döden.
Det verkar som om någon fångas i Kaiju-Blue efterdyningarna skulle ha negativa biverkningar. Som Guillermo Del Toro uppgav, är de ett väldigt smart vapen .