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Cylinder Stickers

Tank marking stickers and decals from The Scuba Doctor are the perfect way to correctly and safely label the contents of a cylinder.

Tech Tip

Do I really need that big Nitrox wrap decal on my cylinder?

The large Nitrox tank wrap requirement mostly depends on your local dive shop fill policy. When Nitrox was introduced to sport diving there was widespread anxiety at local dive shop fill stations about cylinder contamination and handling safety. There were also fears of an injury as the result of an unqualified diver inadvertently breathing Voodoo Gas. While there is no law that requires the Nitrox wrap, the highly visible 'Nitrox', 'Nitrox Only', or 'Enriched Air Nitrox' tank wrap was helpful in addressing those early concerns.

Today, experience has demonstrated those safety worries about Nitrox to be relatively minor issues for the sport diving community. The large Nitrox tank wrap was quickly proven to be an imperfect solution to ensuring handling safety and identifying cylinder contents.

Many fill stations have adopted policies and practices that do not rely upon the presence of the Nitrox wrap. As a result, some local dive shops have become ambivalent about requiring the large wraps and are satisfied with a small removable tape label or tag that indicates cylinder contents analysis.

The factor that often determines the large permanent wrap requirement at many local dive shops is how the shop handles Nitrox fills. Shops that fill using premixed gas tend not to require the large wraps, but shops that partial pressure blend in the cylinder itself may still require the wraps.

In the early days practically all Nitrox fills were done using partial pressure blending, causing a common misconception that presence of a Nitrox tank wrap indicates the cylinder and valve are oxygen clean and oxygen compatible. However, the Nitrox wrap does NOT indicate the oxygen cleanliness or oxygen compatibility of the cylinder and valve, the wrap is just a label of what type of gas blend the cylinder may contain.

Oxygen Clean In Test StickerA separate evidence of inspection decal (aka VIP sticker) is what indicates if cylinder and valve are both suitable for use with compressed gases containing more than 23.5% oxygen at the date of inspection. Dive shop filling stations doing partial pressure blending will insist on your tank have an in-date Oxygen Clean sticker applied by the testing station that oxygen cleaned your cylinder.

Neither the Nitrox sticker or the Oxygen Clean decal indicate what compressed gas is stored in the cylinder. You should properly and clearly label your cylinder with your analysis of the gas mixture.

Nitrox cylindersClearly label anything that isn't air. If the MOD is less than the maximum possible depth of the dive (think deco cylinders), make sure the MOD stands out where not only you can see it, so can your buddies. Make it obvious to everyone if you are using the wrong cylinder at the wrong depth.

Consider putting a small piece of tape on each second stage, just in front of the mouthpiece, that has the MOD for the cylinder it is attached to. (This is in addition to the standard cylinder markings.) Any little thing that may save your life helps.

Perfect Positioning of Decals

Clean the surface of the cylinder to remove any deposits and old decals. On painted aluminium cylinders we recommend scraping any blistering or peeling areas to remove loose paint. If you use any cleaning solvent, keep it off the valve and neck; be sure to rinse with soap and water when you are done. Once the cylinder is clean, peel the backing off your decal, lightly wet the adhesive back with soapy water, and apply the decal to the cylinder. While wet, the decal can be perfectly positioned then allowed to dry. Once the soap evaporates, the decal adheres very well.



Product Image Item Name- Price
Enriched Air Nitrox - Large Cylinder Sticker

Enriched Air Nitrox - Large Cylinder Sticker

This Trident "Enriched Air Nitrox" tank/cylinder sticker makes it clear that your dive cylinder can be used for scuba diving with Nitrox. This tank...
$9.00  $8.00
Save: $1.00 (11%)


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Faber Air Sticker

Faber Air Sticker

Now you can clearly identify your scuba cylinder's contents with this Air Sticker from Faber. Don't mix up air and nitrox cylinders by labelling them...
$5.00  $4.00
Save: $1.00 (20%)


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For Paintball Use Only - Large Cylinder Sticker

For Paintball Use Only - Large Cylinder Sticker

This Trident "For Paintball Use Only" tank/cylinder sticker makes it clear that your paintball cylinder shouldn't be used for scuba diving. Designed...
$9.00  $8.00
Save: $1.00 (11%)


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Nitrox Only - Large Cylinder Sticker

Nitrox Only - Large Cylinder Sticker

This Trident "Nitrox Only" tank/cylinder sticker makes it clear that your dive cylinder can be used for scuba diving with Nitrox. It is expensive and...
$9.00  $8.00
Save: $1.00 (11%)


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Nitrox Only - Small Cylinder Sticker

Nitrox Only - Small Cylinder Sticker

This Trident "Nitrox Only" pony tank/cylinder sticker makes it clear that your dive cylinder can be used for scuba diving with Nitrox. It is...
$7.00  $6.00
Save: $1.00 (14%)


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Monthly Specials For September

Nitrox Only - Small Cylinder Sticker

Nitrox Only - Small Cylinder Sticker
$7.00  $6.00
Save: $1.00 (14%)
Nitrox Only - Large Cylinder Sticker

Nitrox Only - Large Cylinder Sticker
$9.00  $8.00
Save: $1.00 (11%)
For Paintball Use Only - Large Cylinder Sticker

For Paintball Use Only - Large Cylinder Sticker
$9.00  $8.00
Save: $1.00 (11%)

Enriched Air Nitrox - Large Cylinder Sticker

Enriched Air Nitrox - Large Cylinder Sticker
$9.00  $8.00
Save: $1.00 (11%)
Faber Air Sticker

Faber Air Sticker
$5.00  $4.00
Save: $1.00 (20%)

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