GT 5,09,32,19
Industrialcraft-2-2.2.828a-experimental
GTNH-Pack, official server

This is nothing major, but at the moment it's not possible to do multiple recipes in a Large Chemical Reactor if they contain both Hydrogen and Oxygen, because those two make Hydroxide. I think this reaction is added by GT++?

Adding a circuit, preferably something rarely used, would fix this issue.

Ok maybe not your fault but gt add a way add recipe only to single blocks not to LCR.

The LCR recipes are auto added.

I don't explicitly add LCR recipes, so this is an issue for Gregtech.

Should be fixed here. 4adca85.