There are 3 SCUBA items added by this module: Flippers, SCUBA Tank, and SCUBA Helmet.
When both the tank and helmet are equipped, the player will gain 4 minutes of [https://minecraft.gamepedia.com/Conduit_Power
| conduit power] when his head is submerged in the water. The 4 minutes will reset if the player goes out of the water and back down, similar to the [https://minecraft.gamepedia.com/Turtle_Shell | Turtle Shell].
If the player goes out of the water or takes off the equipment, the conduit power effect will go away. Taking off the gear will remove the conduit effect, but putting it back on while still in the water will not refresh the effect. The only way to refresh the conduit effect is by getting out of the water and going back in.