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O-Rings and Lubricants

The Scuba Doctor sells O-rings and lubricants suitable for use in scuba applications. For more information, please see our buyers guide to Scuba Diving O-Rings, or download/view our Scuba O-Ring Sizes Chart (Adobe PDF | 356.37 KB).

Tech Tip:
How Much and Where to Use Lubricant

Some people very sparingly lubricate the SPG swivel O-rings, but you should know that SPG and hose assemblies from our suppliers are never lubricated. If you do choose lube the SPG swivel o-rings, take care not to be so generous that lube might migrate up into the Bourdon tube mechanism and cause your SPG to become inaccurate.

Some people also sparingly lubricate the threads of valves before they are installed in the cylinder neck. Do NOT lubricate the neck O-ring itself, and do not lubricate the valve/regulator seal O-ring or DIN threads.

Most lubricant is used with dynamic seals in regulators and other equipment with moving parts. As a general rule, the O-rings used with static seals in SCUBA applications should not be lubricated at all. The lubricant just causes contamination to stick to the surface of the O-ring and results in more problems with a static seal than any dubious benefit the lubricant might provide.

Gear Aid Silicone Grease - Silicone Lubricant (7g)
Category Path: HOSES / HARDWARE / CARE > Accessories > Cleaning / Care

Gear Aid Silicone Grease - Silicone Lubricant (7g)

Gear Aid Silicone Grease (formerly McNett Silicone Grease) provides deep penetrating protection and long lasting conditioning. It extends the life of...
$12.00
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Best Divers 40 Piece O-Ring Box Kit
Category Path: SCUBA / WATERSPORTS > Tech Diving > O-Rings and Lubricants

Best Divers 40 Piece O-Ring Box Kit

Remember, it's the little things in life like the the Best Divers 40 Piece O-Ring Box Kit that count. Don't let a 50 cent O-Ring ruin a $4,000...
$30.00
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Dive Perfect Silicone Grease Tub - 5g
Category Path: HOSES / HARDWARE / CARE > Accessories > Cleaning / Care

Dive Perfect Silicone Grease Tub - 5g

If you dive you need to have a Dive Perfect silicone grease 5-gram tub in your save-a-dive kit. This food-grade premium silicone grease permeates the...
$8.00
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Dive Perfect Stubby LED-1000 O-ring Set
Category Path: PHOTOGRAPHY / LIGHTING > Lights / Torches > Dive Light Accessories / Parts

Dive Perfect Stubby LED-1000 O-ring Set

The Dive Perfect O-ring Set for the Stubby LED-1000 Dive Light is a must for the serious diver. The set includes three diver replaceable O-rings for...
$12.00  $10.00
Save: (17%)
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IST Proline Mini Tank O-ring Kit with Brass Pick
Category Path: SCUBA / WATERSPORTS > Tech Diving > O-Rings and Lubricants

IST Proline Mini Tank O-ring Kit with Brass Pick

The IST Proline Mini Tank shaped O-ring Kit with Brass Pick comes with four Common O-Rings for Valves, Hoses and more. The threaded cap of the tank...
$20.00  $18.00
Save: (10%)
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IST Sports Silicone Grease / Mask Seal - 15g Tube
Category Path: HOSES / HARDWARE / CARE > Accessories > Cleaning / Care

IST Sports Silicone Grease / Mask Seal - 15g Tube

This 15 gram tube of IST Sports Silicone Grease and Mask Seal is suitable for use on most dive gear that does not need to be Oxygen clean. Also great...
$12.00  $9.00
Save: (25%)
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IST Sports Silicone Grease / Mask Seal - 60g Tub
Category Path: HOSES / HARDWARE / CARE > Accessories > Cleaning / Care

IST Sports Silicone Grease / Mask Seal - 60g Tub

This large 60 gram tub of IST Sports Silicone Grease and Mask Seal is great value for money. Suitable for use on most dive gear that does not need to...
$18.00  $14.00
Save: (22%)
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Miflex Hoses Service Box
Category Path: HOSES / HARDWARE / CARE > MIFLEX Hoses / Accessories > Miflex Accessories/Tools

Miflex Hoses Service Box

This Miflex Hoses Service Box is a nine compartment organiser case with the following components included: 1 x Schrader Inflator Valve Tool (IVRT) 6...
$92.00  $79.00
Save: (14%)
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Ocean Design Air O-Ring Kit (NBR)
Category Path: SCUBA / WATERSPORTS > Tech Diving > O-Rings and Lubricants

Ocean Design Air O-Ring Kit (NBR)

The Ocean Design Air O-Ring Kit (NBR) is a dive O-ring kit with 18 different sizes of Nitrile Rubber (NBR) O-rings, 10 of each size, 180 O-rings in...
$59.95
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