Diving

Diving gear goes from a snorkel up to full scuba.

Picture	Name	What it does
	Snorkel	the simplest gear: worn under water it tops up your air now and then, so you stay down far longer
	Diving gear	Diving Helmet, Diving Air Supply, Diving Suit and Diving Boots; the helmet takes air from a nearby Air Pump
	Scuba Mask and Scuba Tank	air you carry with you
	Swimfins	worn on your feet for swimming
	Buoyancy Aid	worn in the chest slot, carries you quickly up to the surface

Air

The Air Pump feeds a Diving Helmet within 64 blocks across and 128 blocks up and down. It uses 100 FE every 15 seconds.

The Air Compressor fills scuba tanks: 1,000 FE for each unit of air, holding up to 480. A Scuba Tank holds 240 and uses one unit every 7.5 seconds.

The hardcore_diving setting in the config makes your air run out faster under water.

Getting around

Picture	Name	What it does
	F.L.U.D.D.	a water pack: holds 20,000 units of water, filled in a Pressure Vessel's special slot or on its stand
	Speed Boat	about 7 blocks a second on water

F.L.U.D.D. modes

Sneak and press the activate key (V) to switch mode; each tick a mode runs uses water.

Mode	Holding V
Hover	lifts you gently and holds you up for up to 15 seconds; walk to drift, jump to sink
Rocket	a short, strong boost upward
Turbo	drives you forward very fast
Squirt	shoots a squirt of water that hurts what it hits

Use the F.L.U.D.D. on a block and it sets up there as a stand; break it to get it back with its water.

How steeply the Speed Boat climbs is speedboat_vertical_percent in the config.