Air, Nitrox, Oxygen & Trimix Fills

We offer the most affordable air fills in the Newcastle Port-Stephens area, with the widest range of specialty gas blends for tec & deco divers.
We have gas analysers available in-house to check your tanks upon pickup & are always happy to help with custom requests if you can find the mix you need listed below.

Hydro Testing & Oxygen Cleaning

Want a specialty mix & don’t have oxygen clean gear? We offer in-house oxygen cleaning to ensure your gear is certified for use (and for fills) across the country. Please note that gear must be re-certified as oxygen clean every 12 months.

Have a tank that is out of test or due for hydro? No problems. Check out our service page for pricing.

Secure After Hours Drop Off + Pickup

Can’t make it to a dive store during opening hours? No stress!

Total Immersion Diving offers a secure drop-off / pickup service, available for after hours collection of your dive cylinders.

Drop us an email or text/call 0407 447 000 we’ll give you a keycode to securely drop off your cylinders (& collect them again when they’re full).