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BLU3 Nemo Dive System (with extra battery)




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Product highlights

To Help Prevent Serious Injury or Death, Before Use of This Product:

  1. Read the BLU3 Nemo Owner’s – Users Manual: Click Here, and
  2. Read Nemo Assumption of Risk, Waiver, and Release Agreement: Click Here

BLU3 Ships Nemo Units 1-2 Business Days After Receiving Your Order

Product Description

Want to increase your underwater detecting range? BLU3 Nemo is the world's smallest diving system, supporting one diver to up to 10-feet deep with 2 rechargeable battery packs that lasts over an hour each. Air is drawn from the surface above the water and pumped through an air hose to provide clean breath air to the diver. Paired with an underwater metal detector, you'll be able to explore new depths. 


The custom compressor that comes with Nemo is fully sealed and built to work in saltwater. And patent pending SmartReg technology enables Nemo to be more portable and energy efficient than any other dive system around. Inside the SmartReg, a waterproof sensor detects when the diver inhales and triggers to compressor to pump air at exactly the time and speed the diver is inhaling. This enables Nemo to use a fraction of the energy of other underwater breathing systems.


BLU3 Nemo's lithium ion battery weighs just 1.3 pounds and is easily swappable for an additional 60+ minutes of run time -- and it recharges in three hours or less. The battery capacity is less than 100Wh, so it can be safely carried on to an airplane.

BLU3 Nemo Diving System

The Nemo system includes a dive flag, which is used to signal that a diver is underwater. The Red and White flag is used in the United States, Canada, and some other countries. 

Flotation Tube

BLU3 Nemo has enough buoyancy to float in the water without attaching the flotation tube for times when you are diving in the pool or other enclosed body of water. But whenever waves or boating traffic are present in your diving location then the flotation tube should be installed. This gives Nemo not only 22 pounds of additional buoyancy but also superb visibility. The flotation tube easily inflates and deflates so that it packs away nice and tight. Use your mouth to easily inflate the  tube. To attach the flotation tube, simply slide it onto Nemo from the top and clip the corresponding buckles together.


The system includes the Nemo backpack, which features padded straps with compartments inside for secure storage of Nemo and your accessories, like spare batteries, your weight belt and your mask. Plus, straps on the outside give you a spot to mount your fins. A zip pocket allows you to safely tuck away your phone and wallet.


Learn about diving techniques before Nemo Diving by taking the Nemo Online Dive Training Course, available for free to anyone at any time at This course was specifically designed for Nemo Diving with the help of experts in the field of diving. It is required that all users complete the course with a passing score prior to Nemo Diving.

Nemo includes a one year, limited warranty.

Who can participate in Nemo Diving?

Prior to Nemo Diving, ALL Users must:

  1. Read and understand the Nemo Owner’s – Users Manual
  2. Complete the Nemo Fitness to Dive Evaluation
  3. Complete the Nemo Online Dive Training Course

All Users must be able to:

  1. Swim 200 yards without stopping, without a time limit
  2. Tread water for 10 minutes continuously

Age Limits:

  1. Users must be 8 years of age or older to Nemo dive, but are restricted to diving in a swimming pool only, in water shallow enough so that they can stand with their head above the surface of the water.
  2. Users must be 10 years of age or older to dive outside of the pool.
  3. Users under the age of 18 must have parental or guardian supervision at all times.

  • SKU 2583-NEMO2
  • Quick Look Air is drawn from the surface above the water and pumped through an air hose to provide clean breath air to the diver with the BLU3 Nemo Dive System.
  • Manufacturer SKU NEMO-2
  • Manufacturer BLU3
  • Product Type Diving Accessories
Customer Reviews

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5.0 average of 1 review


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    • ★★★★★ Excellent for treasure hunting

    Review by Southern Relics on July 9, 2021

    I had a great opportunity to test this unit for a time, and I will say that it is a fantastic device to use for metal detecting shallow swimming areas. I used it in my local lakes in SC, and was able to find three rings with my metal detector at nearly 8 feet deep on each find. Without having the Nemo I probably would not have been able to maintain stability in the water with a full size detector and sandscoop to find them. Scuba diving is great for treasure hunting, but the Blu3 Nemo surely has a place in shallow beaches and swimming areas. It would even work great for gold dredging in creeks and shallow rivers as well. I found that each battery would last around 90 minutes if I was swimming around 5-8 feet during my dives. Great product!!
Questions and Answers
  • Posted On: 10/1/2020 By: Michael Hoyt

    Q: I would like to ask question about hose, as I read that it can up to 10’ deep with hose. But can it handle with up to 30’ deep?

    A: The BLU3 Nemo can go up to 10 feet.

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