Oxygen gas is has many different used in Scuba Diving, from Emergency Oxygen, to Rebreather cylinder fills, even Nitrox and Trimix breathing gas blends.  Additional gases may be needed for custom gas blends including Nitrox gas and Trimix gas. For complete gas blends additional gas costs and labor may be added. Nitrox and Trimix gas blends are custom, made to order gas blends which are blended by our very own Trained and Certified Nitrox/Trimix Gas Blender.  All gas blending is done using partial pressure blending techniques.