GasCraft - need help with lag

Hi all,

I'm having a server problem with GasCraft. I don't know how, but someone has apparently exposed a gas source block in a cavern/ravine. I now have, according to Opis, about 17,000 tile entities of natural gas spread over the irregular roof of the ravine and causing a lot of lag as they move around.

I need to accomplish a few things: eliminate the existing tile entities with minimal world damage and find the source and eliminate or contain it.

The problem is that I don't know where...

GasCraft - need help with lag