The Dipping Stick can be used to measure the amount of liquid in a tank if Waila is not present.
1 Stick + 1 Barrel = 1 Dipping Stick (the Barrel is not consumed)
Having a lid prevents fluid from being inserted on the top. Shift+right-click with an empty hand to toggle the lid state.
The four tanks contain Water, Lava, Resonant Ender, and Primal Mana. The Primal Mana tank is lidded.
Barrels are made with 6 iron ingots and 1 cauldron (13 iron ingots total).
Fluids can be inserted and extracted using buckets or any other fluid container item.
Fluids can be inserted with any fluid pipes that use the standard MinecraftForge Fluid API.
Fluids can be extracted with any pipes that use the standard MinecraftForge Fluid API.
When Barrels are broken and in inventories, they retain their contents and can be replaced down with the same fluid and amount.