OXSEA Mini Scuba Tank Buying Guide for US Buyers
Choose your OXSEA tank around how you’ll carry it, use it, and refill it. Compare the US range, understand air time estimates, and check the order details before buying.
Contents
An OXSEA mini scuba tank is a refillable compressed-air cylinder with a regulator for breathing underwater. To choose one, match its air capacity and carrying position to your planned use, then select a compatible refill system.
The US range includes the mouth-held OX500 and the harness-mounted OX1000 and OX2000. At OXSEA, we recommend making those choices together: the cylinder that fits your plans also needs a refill method you can use where you keep your gear.
This is OXSEA’s own buying guide, based on our current US catalog. It explains the equipment, its limits, and the purchase details to check before placing an order.
What Is an OXSEA Mini Scuba Tank?
OXSEA tanks store breathing air and deliver it through a regulator. They are rechargeable cylinders with a limited air supply. They do not generate air, and they are not filled with pure oxygen.
On the OX500, the regulator and pressure gauge are integrated into the compact, mouth-held assembly. The larger models move the cylinder onto a harness and use a separate regulator. That change in position can matter just as much as the extra capacity.
If a small format is your priority, start with the OX500 mini scuba tank. Its 0.5-liter cylinder is the smallest in the current range, with a manufacturer estimate of up to 8 minutes of air. Actual duration varies with breathing, depth, effort, and conditions.
Buying the tank alone makes sense when you already have a compatible refill solution. A pack combines the cylinder with specified refill equipment. Check the contents list carefully: a mask or compressor appearing in a photograph is included only when the offer says so.
What Can You Use an OXSEA Tank For?
The appeal is practical: a small air cylinder you can store with your water gear or aboard a boat, refill with compatible equipment, and prepare for a short, planned immersion. Decide what that immersion involves before choosing a model.
Brief observation near the surface
For a qualified diver planning a short observation session, the OX500 is the most compact option to compare. Its cylinder stays at your mouth, so you don’t need a separate tank harness. The smaller air supply makes workload and reserve planning especially important.
Breathing compressed air changes the activity from ordinary surface snorkeling. Swimming ability and familiarity with a snorkel do not, by themselves, establish scuba competence.
Short boat inspections and light upkeep
For a boat owner with the appropriate diving skills, the OX1000’s back-mounted arrangement is useful when handling a sponge or examining running gear. It carries the cylinder away from your face while keeping your hands available.
Our guide to cleaning a boat propeller explains how to distinguish gentle maintenance from work that needs a professional or a haulout. Choose the task and conditions first; a compact tank does not make every underwater repair suitable for an owner.
Plans that call for greater air capacity
The OX2000 is the largest cylinder in the current range. It is worth comparing when your gas plan and preferred carrying arrangement call for more capacity.
A larger tank does not authorize deeper diving or turn a difficult job into a suitable one. Stay within your qualifications and the equipment manual’s limits. These compact cylinders are not substitutes for the complete equipment and gas supply required by a different kind of dive.
Which OXSEA Model and Refill Setup Fit Your Plans?
Start with where you want the cylinder, then consider capacity. Here are the differences that affect the purchase:
| OXSEA model | Cylinder capacity | Carrying arrangement | Manufacturer’s indicative air time |
|---|---|---|---|
| OX500 | 0.5 L | Mouth-held, integrated regulator and gauge | Up to 8 minutes |
| OX1000 | 1 L | Back-mounted harness and separate regulator | Up to 15 minutes |
| OX2000 | 2.3 L | Adjustable harness, external regulator and remote gauge | Up to 25 minutes |
These figures are estimates, not guaranteed dive durations. Your breathing, depth, workload, and conditions affect consumption.
For compact packing, look first at the OX500. For short boat inspections, we favor the OX1000’s carrying position. For the greatest capacity in this range, compare the OX2000 and include its Power Compressor requirement in your decision.
The OXSEA model comparison lets you examine the range side by side. Before ordering, also think about how you’ll refill between outings.
How to refill a mini scuba tank
A refill system has to match both the tank and your available power. The US options are:
| Refill system | Compatible OXSEA tanks | What to plan for |
|---|---|---|
| Manual Pump | OX500 only | No electrical supply, but sustained physical effort |
| Mini Compressor | OX500 and OX1000 | The MC12V unit runs on 12 V DC; follow the instructions for a suitable battery connection |
| Power Compressor | OX500, OX1000 and OX2000 | AC power only; confirm the exact US electrical requirements before ordering |
The Mini Compressor’s 12 V option is useful aboard a boat or where a suitable battery supply is available. For household AC use, the current US product information says the input voltage, frequency, and plug details remain to be confirmed. Confirm the required supply and included accessories with OXSEA before planning your installation.
Power also requires confirmation of its exact US AC specifications. Don’t assume that either compressor package will connect to a household outlet without checking your version.
Use equipment intended and approved for breathing-air fills, with the prescribed filtration and maintenance. A bicycle pump or workshop compressor is unsuitable. Never fill an OXSEA tank with pure oxygen.
Starter Pack: OX500 + Manual Pump1 × OX500 Tank · 1 × Manual Pump$499.99 USD
OX500 Pack + Mini Compressor1 × OX500 Tank · 1 × Mini Compressor$949.00 USDThese two OX500 packs make the choice concrete: manual pumping when you accept the physical work, or the Mini Compressor when a compatible power source fits your setup. They solve the same refill need in different ways.
What Should You Expect From OXSEA Air Time?
An air-time estimate describes a possible duration under particular conditions. It does not tell you how long you personally can remain submerged.
A quiet observation session and an inspection involving swimming or scrubbing create different demands. Starting pressure also matters: a cylinder used earlier needs another check before the next outing.
Plan for the entire immersion, including the return and reserve. Monitor the pressure gauge throughout use, and finish according to the plan rather than trying to reach the number advertised for the model. Never hold your breath to stretch the supply.
Good to know: a DUO pack contains two separate tanks. Adding their published minutes together does not give you a continuous dive duration.
For the detail behind those estimates, read how long a mini scuba tank lasts. When comparing owner reports, look for the model and conditions as well as the minutes mentioned.
What Safety Preparation Does an OXSEA Tank Require?
Learn compressed-air diving with a qualified instructor before using a mini scuba tank. That includes buoyancy control, air planning, and emergency procedures. A compact cylinder still carries the risks associated with breathing compressed gas underwater.
Divers Alert Network’s safe diving practices emphasize preparation, equipment checks, buddy diving, and staying within your capabilities.
For product-specific precautions, consult the OXSEA safety information and request the manual for your exact model and generation. Tutorials help explain the equipment; practical scuba instruction develops the skills to manage it underwater.

What Should You Look for in OXSEA Reviews?
If you’re searching for an OXSEA review, start by identifying the product being discussed. An owner’s experience with an OX500 and manual pump may say little about how an OX2000 and Power Compressor would fit your plans.
Useful OXSEA reviews describe the setup and how it was used. Look for:
- The exact tank, compressor, and any accessories.
- Whether the writer actually used the equipment.
- The activity and conditions behind an air-time claim.
- What happened during refilling, cleaning, and storage.
- The date, purchase market, and any disclosed commercial relationship.
A review about delivery measures a different part of the experience from one about regulator use. Read each for what it can tell you. For claims about specifications or included equipment, check the current product information.
The FTC’s advice on evaluating online reviews recommends considering the source and consulting a range of reviews. Our role here is to explain the current OXSEA range and purchase options so you can compare them with those experiences.
What Should US Buyers Check Before Ordering?
First, confirm that the shop is set to United States, English, and USD. Product bundles and purchase terms can differ between markets.
Check what the pack contains
Read the contents line for each offer. A tank-only listing, a tank with a pump, and a tank with a compressor are separate purchases. A DUO pack includes two tanks, which are refilled separately.
If you want an OXSEA mini diving tank and the OXAIR full face mask, select a pack whose contents explicitly list both, or check the compatible combination before ordering separately. OXAIR is available as an individual accessory in the US catalog. Confirm the connection requirements for your exact tank.
Review shipping, returns, and the total
As checked on October 6, 2026, the US store advertises free shipping to the 50 states and the District of Columbia, with delivery in 5 to 7 days. Treat that as the published delivery estimate and confirm timing before ordering for a trip. Applicable sales tax is shown before payment.
The current return window is 30 days from delivery. Request authorization first, and return the complete product with its accessories and original packaging. Return shipping is at the buyer’s expense unless the item is defective, arrived damaged, or OXSEA made an error.
Check the current US shipping and returns policy when ordering. Get the preparation and transport instructions before returning pressurized equipment.
Ask the questions specific to your setup
If you need an AC compressor installation, confirm the electrical requirements and included supply. If you need a particular accessory combination, provide the model references. For a warranty question, request the terms applying to your product and keep your proof of purchase.
OXSEA support can help with product selection, manuals, and service requests. A useful pre-purchase message names the tank, the refill system, the power source you intend to use, and the activity you’re planning.

OXSEA · OX500 Tank
Choose Your OXSEA Tank and Refill Setup
Start with the compact OX500, then compare the carrying arrangement, capacity, and compatible refill packs that fit your plans.
If the mouth-held format suits you, open the OX500 details and choose its refill method. If you prefer the cylinder on your back, compare the OX1000 and OX2000 before selecting a pack. Settle those decisions before adding accessories.
Your questions
Which OXSEA mini scuba tank should I buy?
Start with carrying position and the air supply your planned use requires. The OX500 is the compact 0.5 L mouth-held model; the 1 L OX1000 and 2.3 L OX2000 use harnesses. Choose the compatible refill method at the same time, and plan use within your scuba skills and equipment limits.
Is OXSEA safe to use?
A mini tank still supplies compressed air underwater and requires appropriate scuba skills and preparation. Get practical instruction, use a buddy system, never hold your breath, and monitor your air with a planned reserve. Follow the manual and maintain the equipment. Diving carries risks even with properly maintained gear.
How do you refill an OXSEA mini scuba tank?
Use the compatible OXSEA refill system and its prescribed breathing-air filtration. The manual pump is for OX500 only; the Mini Compressor supports OX500 and OX1000; Power supports all three models. Confirm power requirements and follow the filling instructions.
What should I check when reading OXSEA reviews?
Look for the exact model, refill system, date, and evidence of actual use. An air-time report is more informative when it includes the activity and conditions. Compare several sources and check current specifications and pack contents before buying.
Does OXSEA ship to the United States?
The US store’s policy checked on October 6, 2026 lists free shipping to the 50 states and the District of Columbia, with a published delivery estimate of 5 to 7 days. Verify the current policy and confirm timing for a specific trip before ordering.
Does an OXSEA tank come with the OXAIR mask?
The mask is included only when OXAIR appears in the offer’s contents. The US catalog includes tank-only offers, packs with or without OXAIR, and the mask sold separately. Check compatibility and the exact contents rather than relying on a product photograph.
A question about your situation? Write to the OXSEA team
Take the plunge
The sea,
one breath away.
A rechargeable mini tank to stretch every dive and take the time to look around, with no heavy gear.
OX500 Tank
- 0.5 L
- Up to 8 min*
- Held in the mouth
With its refill system, ready to go
Compare tanks Compare mini scuba tanks
* Estimated air time, not guaranteed. OXSEA tanks are designed to be accessible to everyone, with no training required.
OX500 Tank$299.00 USD
Discover


