Problem [Solved]Cant add liquid XP to smeltery

[sindrih]

Hello, i cant seem to add liquid XP to my smeltery, does anyone know how to do it? I have tried adding it from a bucket of XP and it wont go in through the drain, i tried pumping it into the drain but it just disappears https://gyazo.com/9771962bc92ebbd5eaca4819ba7b7286

 

[grandrolf]

What pack is this?

 

[sindrih]

Solved, i used a flood gate on top of a seared tank and BC Transport pipes into the smeltery drain