Explosive Concoction not properly chaining

As the title suggests. chain says it works with EC but it isnt actually chaining

I've tested it with both chain and fork (both show up on the tooltip as if they support it) and neither work. I think it is just a bug on the tooltip and link. From how it works, it doesn't look like it is meant to chain/fork.

I'm more interesting in knowing if explosive concoction shotguns with GMP.

I don't know why you expect a thrown bottle chain or do anything similar. It is a flask bomb.

Though the effect may be intended to not work. I do believe that it shouldn't be shown in the tooltip or as a symbol on the skill itself. I doubt that's intended.

I also didn't think it would work but telling someone that you don't know why they would expect it to work isn't adding anything to the conversation. Not everyone's brain works or thinks the same.