The Poseidon Jetstream 2nd Stage Regulator is a second-stage regulator from Poseidon – the piece that delivers air to your mouth on demand. Balanced and responsive, it breathes effortlessly at depth, making every breath as easy as the last whether you’re cruising the reef at Redang’s shallow reef flats or hovering in the blue.
Technical Specifications
| Specification | Details |
| Brand | Poseidon |
| Product | Jetstream 2nd Stage Regulator |
| Stage | 2nd Stage |
| Type | Piston |
| Material | Chrome / Brass |
| Connection | DIN / Yoke |
| Best For | Recreational diving |
Key Features
- Balanced demand valve: Delivers air smoothly and effortlessly at any depth.
- Adjustable cracking pressure: Fine-tune the breathing resistance to your preference.
- Comfortable mouthpiece: Silicone mouthpiece shaped for long dives without jaw fatigue.
- Purge button: One-touch clearing keeps the regulator ready to breathe.
Suited for Malaysian Dive Sites
The Poseidon Jetstream 2nd Stage Regulator is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Redang’s shallow reef flats, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive.
- Purge a few times before and after each dive to flush sand.
- Replace the mouthpiece when it starts to harden or crack.
- Service alongside the first stage – they’re a system.
Final Verdict
Every breath underwater starts here. The Poseidon Jetstream 2nd Stage Regulator delivers smooth, effortless air at any depth – exactly what you want from a second stage.










Lisa Neo –
I know this is a popular topic, but I was wondering if it’s difficult to clean the Poseidon Jetstream 2nd Stage Regulator?
Junhao Lo –
Thank you for taking the time to review the Poseidon Jetstream 2nd Stage Regulator. Cleaning the regulator is a relatively straightforward process. According to the manufacturer’s instructions, you’ll need to rinse the regulator with fresh water after each dive to remove any loose debris. You can also use a mild detergent and a soft-bristled brush to gently scrub away any stubborn particles. It’s worth noting that the inhalation membrane is designed to be self-draining, but you should still make sure to regularly inspect and clean the membrane to ensure optimal performance. We’ve had no complaints about difficulties cleaning this regulator, and many customers have reported finding it to be a breeze.
Jacie Loke –
I’ve been using the Poseidon Jetstream Regulator for a while now and I must say it meets all my expectations. The breathing performance is top-notch and the regulator is very reliable.
Lena Koh –
The Poseidon Jetstream 2nd Stage Regulator is really easy to use and the colour selection is great. What colour do they plan to release next?
Junhao Lo –
Thank you for your great review of the Poseidon Jetstream 2nd Stage Regulator! We’re glad you found it easy to use and loved the colour selection. As for our future colour releases, I’m happy to share that we’re always looking to bring new and exciting colours to our customers. Unfortunately, we can’t reveal too much at this time, but we can say that we’re always open to customer feedback and suggestions. If you have a favourite colour in mind, feel free to share it with us, and we’ll consider it for future releases. We appreciate your continued support and enthusiasm for our products! Would you like to share more about your diving experiences with us?
Michelle Toh –
The Poseidon Jetstream Regulator is great value for money, but the minor negative comment I have is that it’s a bit heavy. A 4.5-star rating for me, and I would recommend it to friends.
Leah Teoh –
You have to get yourself the Poseidon Jetstream Regulator, you won’t regret it! Very good craftsmanship and materials.
Kaye Lim –
I really love taking this Poseidon Jetstream Regulator to the beach. How does it cope with underwater currents?
Imran Hanafiah –
Thank you for taking the time to share your thoughts on our Poseidon Jetstream 2nd Stage Regulator, Kaye. Our regulator is designed for effortless breathing at any depth, and its unique design also makes it quite versatile in various water conditions. The Jetstream’s purge button allows for smooth counter-flow resistance, giving you more freedom underwater. The manufacturer claims that our regulator can handle pressure variations and underwater currents without compromising performance. However, if you have any specific issues or problems with the regulator in this regard, we would be more than happy to assist you. Have you had any extensive diving experiences with our regulator in challenging water conditions? Other customers with similar experiences would also love to hear about it.