Recreational
Air Fills
Standard scuba air fills for recreational scuba diving, training dives, local shore diving and guided diving activities around Melbourne and the Mornington Peninsula.
Melbourne · Mornington Peninsula · Gas Support
Scuba Gas Fills
Air fills, nitrox, oxygen service and technical diving gas support on the Mornington Peninsula near Melbourne.
Gas Fills
Recreational & Technical Diving Support
Extreme Watersport provides scuba gas fills on the Mornington Peninsula near Melbourne including scuba air fills, nitrox fills, oxygen service fills and selected technical diving gas support for qualified recreational and technical divers.
Our dive centre supports both recreational scuba diving and technical diving requirements with gas blending infrastructure, oxygen service support and technical diving experience developed through active local diving and TDI technical diving pathways.
Unlike many smaller recreational-only dive shops, Extreme Watersport supports active technical divers with nitrox, decompression gases, trimix support and selected helium blending capabilities depending on diver certification, cylinder suitability and gas requirements.
Compressed gas support
Air, Nitrox & Technical Gas Support
Gas support for recreational and technical diving, presented with the certification, cylinder and equipment conditions that apply to each service.
Nitrox
Nitrox Fills
Nitrox fills may be available for qualified divers using suitable cylinders and oxygen compatible equipment depending on gas requirements and oxygen service standards.
Technical Diving
Trimix & Helium
Selected trimix and helium blending support may be available for qualified technical divers using appropriate technical diving cylinders and compatible equipment. Unlike many smaller dive shops that require advance notice for helium availability, Extreme Watersport maintains active technical diving support infrastructure for ongoing trimix and technical diving activities around Melbourne and the Mornington Peninsula.
Safety Standards
Gas Analysis & Certification Requirements
Divers requesting nitrox, oxygen service or technical diving gas fills may be required to provide certification matching the requested gas mix and diving activity.
Cylinders must be within valid hydrostatic test dates and suitable for the intended gas service before fills can be provided. Certain nitrox and oxygen service fills may require oxygen clean cylinders and compatible scuba equipment.
Divers should always analyse and verify their gas before leaving the dive shop. Gas fills are non-refundable once cylinders leave the premises.
Pricing
Gas Fill Pricing
Clear local gas-station rates for air, nitrox and selected technical gas support. Conditions below remain part of every quoted service.
Air
Clean Air Fills
- Standard clean air fill, up to 15L
- $12
- Twinset air fill
- Double
Nitrox
Nitrox Fills
- Standard nitrox fill, up to 35%
- $20
- Custom nitrox fills
- By blend
- Custom nitrox blend fee
- $10 / tank
Technical
Oxygen & Trimix
- Air component per cylinder
- $8
- Oxygen
- $0.06 / L
- Helium
- $0.18 / L
- Custom trimix fills
- By blend
- Custom trimix blend fee
- $15 / tank
Fill Card
Air Fill Card
20 air fills$160
Fill Card
Nitrox Fill Card
Nitrox fill card$360
All nitrox and trimix fills require cylinders to be in test and oxygen clean. Technical gas fills are subject to certification, cylinder suitability and staff approval.
Divers must analyse and verify gas before leaving the dive shop. Prices are subject to change without notice.
FAQ
Gas Fill Questions
Certification, cylinder suitability, oxygen-service and gas-analysis requirements for local air, nitrox and selected technical gas support.
Do I need certification for nitrox or trimix fills?
Yes. Divers requesting nitrox, oxygen service or trimix fills may be required to show certification matching the requested gas mix and intended diving activity.
Do cylinders need to be oxygen clean?
Yes. All nitrox and trimix fills require cylinders and compatible scuba equipment to be oxygen clean and suitable for oxygen service use.
Can you fill out-of-test scuba cylinders?
No. Out-of-test scuba cylinders cannot be filled under any circumstances. Cylinders must be within valid hydrostatic test dates before gas fills can be provided.
Do I need to analyse my gas before leaving?
Yes. Divers are responsible for analysing and verifying their gas before leaving the dive shop. Gas fills are non-refundable once cylinders leave the premises.
Do you provide helium and trimix fills in Melbourne?
Extreme Watersport provides selected trimix and helium blending support on the Mornington Peninsula near Melbourne for qualified technical divers using suitable cylinders and equipment.
Can I request custom nitrox blends?
Yes. Custom nitrox blends may be available depending on oxygen service requirements, cylinder suitability and diver certification level.
Can you fill twinsets and technical diving cylinders?
Yes. Twinsets and selected technical diving cylinders may be filled depending on cylinder condition, valve compatibility and requested gas requirements.