Sherwood Scuba vs Atomic Aquatics
Oasis Pro Regulator vs ST1 Regulator
Which regulator would we put in our own kit?
Sherwood Scuba
Atomic Aquatics
Scores are our editorial opinion of these models, based on features, suitability and ownership trade-offs—not hands-on test results. How we chose →
We’d pick the ST1 Regulator.
We’d start with Atomic Aquatics ST1 Regulator. We like ST1 for buyers who specifically want a stainless-steel first-stage package in a sealed configuration. Choose Sherwood Scuba Oasis Pro Regulator instead if its strengths are a better match: we like Oasis Pro for buyers specifically interested in its Moisture Retention Vanes and dry environmental seal.
Which one suits you?
Sherwood Scuba Oasis Pro Regulator
We like Oasis Pro for buyers specifically interested in its Moisture Retention Vanes and dry environmental seal. Choose it for that feature set, not an assumption that every diver will notice less dry mouth.
Get to know this model →Atomic Aquatics ST1 Regulator
We like ST1 for buyers who specifically want a stainless-steel first-stage package in a sealed configuration. We would not pay extra for the material without comparing complete-system weight and local servicing costs.
Get to know this model →Specifications side by side
The details that matter, side by side. “Check with the brand” means we have not confirmed that detail.
| Detail | Sherwood Scuba Oasis Pro Regulator | Atomic Aquatics ST1 Regulator |
|---|---|---|
| First stageCheck with the brand | 9000 series; dry environmental seal | Check with the brand |
| CompensationCheck with the brand | A2-DC system | Check with the brand |
| Second-stage featureCheck with the brand | Moisture Retention Vanes | Check with the brand |
| Current appearanceCheck with the brand | 2025 revision | Check with the brand |
| Finish detailCheck with the brand | Titanium-finish accent ring and diaphragm | Check with the brand |
| Material emphasisCheck with the brand | Check with the brand | Stainless steel |
| Package typeCheck with the brand | Check with the brand | First stage + second stage |
| Connections listedCheck with the brand | Check with the brand | DIN sealed; yoke sealed |
Showing all 8 specification rows.
What the differences mean when you buy
Exact first-stage configuration
Sherwood Scuba Oasis Pro Regulator
- First stage
- 9000 series; dry environmental seal
Atomic Aquatics ST1 Regulator
- Connections listed
- DIN sealed; yoke sealed
- Package type
- First stage + second stage
Start with the complete model and connection, including the selected sealed or unsealed variant. A family name can cover several configurations. Ask the dealer to confirm hose routing against the actual port arrangement and the approved cylinder connection. Missing port or sealing information should be resolved, not inferred from a nearby model.
Second-stage controls and construction
Sherwood Scuba Oasis Pro Regulator
- Second-stage feature
- Moisture Retention Vanes
Atomic Aquatics ST1 Regulator
Ask the brand about this detail before ordering.
Handle the purge and adjustment controls with your gloves and assess the mouthpiece fit. A Venturi lever and an inhalation adjustment are different controls. Exhaust placement and moisture-related features may be reasons to investigate a model, but they do not establish measured comfort, lower breathing effort or improved reliability without suitable comparative testing.
Materials and complete package
Sherwood Scuba Oasis Pro Regulator
- Finish detail
- Titanium-finish accent ring and diaphragm
Atomic Aquatics ST1 Regulator
- Material emphasis
- Stainless steel
Compare materials at the named component, not across the whole regulator by implication. A titanium-finish detail is not a titanium first stage. Obtain the assembled weight and package list if travel matters. A first-and-second-stage set may still need an alternate second stage, pressure measurement and inflator hoses before it matches your required configuration.
A closer look at both
Oasis Pro Regulator
The Oasis Pro pairs Sherwood’s 9000-series first stage with a second stage containing Moisture Retention Vanes. Sherwood describes the first stage as dry and environmentally sealed, using its A2-DC pressure-compensation design. The current product page identifies a revised appearance for 2025, including a titanium-finish accent ring and diaphragm.
What we like
We like Oasis Pro for buyers specifically interested in its Moisture Retention Vanes and dry environmental seal.
What would make us think twice
Choose it for that feature set, not an assumption that every diver will notice less dry mouth.
More about the Oasis Pro Regulator →ST1 Regulator
The ST1 is Atomic’s stainless-steel regulator option. The catalogue lists a first- and second-stage package with sealed DIN and sealed yoke variants.
What we like
We like ST1 for buyers who specifically want a stainless-steel first-stage package in a sealed configuration.
What would make us think twice
We would not pay extra for the material without comparing complete-system weight and local servicing costs.
More about the ST1 Regulator →Four checks before you place an order
- Ask an authorised dealer to identify the exact first stage, second stage, connection and sealing variant on the quotation.
- Have compatibility, operating conditions and hose routing checked for the equipment configuration you intend to use.
- Try the mouthpiece and controls, and ask what accessories and hoses are included.
- Obtain current inspection, servicing, warranty and parts-support requirements in writing, especially where a product page contains conflicting intervals.
Ask for a quote for the complete kit, including the accessories you need. That makes the price comparison much more useful.
Price, accessories and owning the equipment
Compare complete system quotations and local service support. A lower regulator-only price can be offset by missing components, shipping for servicing or incompatible existing hoses. No current matched price, service-cost history or breathing-machine result is available for every pair here, so we do not manufacture a value or performance score.
If replacing a functioning set, name the specific unmet requirement first: connection, supported configuration, controls, routing or service availability. Materials and range position alone do not prove that a replacement will breathe better. Installation and servicing should follow the manufacturer requirements through appropriately qualified support.
How we scored these models & further reading
These are our subjective buying scores out of 100. We weigh the usefulness of the features, the intended diving or carrying job, and the compromises involved in owning the gear. They are not laboratory measurements, safety grades or customer averages. The verdict applies to the two named models, not everything either brand makes.
90–100: one of our first choices for the stated job. 80–89: a strong option with trade-offs. 70–79: a more specific fit. A different fit, camera, valve or dive plan can change which one you should buy.
Sherwood Scuba Oasis Pro Regulator
Product details and further reading →Atomic Aquatics ST1 Regulator
Product details and further reading →Questions worth settling
Does an environmental seal prove cold-water suitability?
A seal is one documented design feature, not blanket approval for every temperature, configuration or diving use. Verify the exact set, current manufacturer instructions and applicable certification with qualified support. This article is a buying comparison, not regulator-configuration instruction.
Which is the better buy for this particular comparison?
Sherwood Scuba Oasis Pro Regulator: Choose it for that feature set, not an assumption that every diver will notice less dry mouth. Atomic Aquatics ST1 Regulator: We would not pay extra for the material without comparing complete-system weight and local servicing costs.
Our pick is where we would start. Choose the other model if its fit or features better match your setup—especially where a camera, valve, boot or exposure suit needs an exact match.
