Sherwood 30 Cubic Foot Aluminum Tank - 043071/042324

Mfg Part #: AC30

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Questions and Answers for Sherwood 30 Cubic Foot Aluminum Tank:

  • Marty:

    Hi there I am wanting to purchase 10 tanks, but need the following answered, the above tank are these equivalent to 11 litres also can you freight directly to Fiji and what would be the cost, also would you give a discount for 10 tanks also can you give me a price for BCDs and Regulators, do you stock compressors to refill tanks and do you also have hookar systems, if so can you provide a price thanks and best regards Marty

    Bob  (Certified Scuba Instructor at

    For more detailed information regarding ordering and delivery internationally please contact our instructors at

  • phil:

    im wondering if a 30 would have a proportional down time as an 80?

    Bill  (Certified Scuba Instructor at

    Almost a 3rd less air.

TANKS & VALVES: Sherwood Valve


The most used valve in diving. The critical link between your regulator and tank, our patented Sherwood valve was designed specifically to handle today’s high-performance regulators.

Aluminum Tanks

Aluminum tanks are cost efficient, long lasting, and readily available, which is why they are easily the most common scuba diving tanks in the world. Lighter than steel tanks, aluminum dive tanks are easier to transport and swim with, giving your shoulders and arms a break on long treks.

Because of their light weight, some aluminum tanks will begin to float at the end of a dive, once the oxygen supply is nearly depleted. To combat this, it's common to counter-weight an aluminum dive tank with approximately 4 pounds. However, 'Compact Neutral' aluminum tanks are made with thicker walls, which increase the weight and help to counteract the positive buoyancy problems at the end of a long dive.

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