• Home
  • Boat Briefing
  • Waivers
  • Breathing Gases
  • The Boat
  • The Crew
  • The Wrecks
  • Pictures
  • Training
  • More
    • Home
    • Boat Briefing
    • Waivers
    • Breathing Gases
    • The Boat
    • The Crew
    • The Wrecks
    • Pictures
    • Training
  • Home
  • Boat Briefing
  • Waivers
  • Breathing Gases
  • The Boat
  • The Crew
  • The Wrecks
  • Pictures
  • Training
Below the Grade Scuba

Gas fills

Banked Gases

Gases are premade and ready for quick top offs.

Banked 32% Nitrox

$0.17

Banked 32% sold by the cubic foot

Banked 50% Nitrox

$0.40

 Banked 50% sold by the cubic foot 

Oxygen

$0.50

 Banked Oxygen sold by the cubic foot 

18/45 Trimix

Varies

Banked Trimix sold by the cubic foot

Custom trimix

Custom blends are sold by the cf of Helium plus $10 per tank for the nitrox.

Rebreather and deco fills

Rebreather bottles and deco bottles have flat rate fill pricing when filled from our mobile fill station while on charters.


Other Gases

Anything you want from air to hypoxic mixes.

Helium

Varies

Helium prices are currently very volatile and they may fluctuate through the summer. Reach out to verify current pricing.

Air fills

$10

Air is sold by the tank

Suit bottle fills

$3

Fills for 6 cubic foot bottles

Breathing air is certified Oxygen Compatible and tested annually before the season starts. Oxygen is medical or Aviator grade. Helium is 99.99 purity.

Where it comes from

Home fill station

Portable fill station

Portable fill station

Our home fill station is based on a Mako 9300  feeding into 27,500 cubic feet of banked gases. 

The compressor is equipped with a touchscreen electronic trimix mixing stick allowing essentially any mix available on demand.

Portable fill station

Portable fill station

Portable fill station

Our portable unit for charters consists of a gas powered Bauer K15 compressor. This machine is also equipped with a touch screen electronic trimix stick for on demand blends. We have a fifty foot whip on this machine allowing on the boat fills. (On the boat fills are not allowed in all harbors.)

We also have a backup MCH16 gas drive machine to guarantee fill availability on charters.

Boosters

Portable fill station

Boosters

The home station is equipped with an electric variable speed oxygen booster, a Hydraulics International 15/45 oxygen booster, and a Haskel 15/30 inert gas booster.

The portable setup is equipped with a variable speed Masterline electric oxygen booster and a backup Sprague 30/30 pneumatic oxygen booster.

Copyright © 2025 Below the Grade Scuba - All Rights Reserved.

Powered by

  • Boat Briefing
  • Waivers
  • Breathing Gases
  • The Boat
  • The Crew
  • The Wrecks
  • Pictures
  • Training

No More Paper Waivers!

Our liability and medical waivers are now online.

Online waivers