Because rocket fuel is too expensive

“Because rocket fu​​el is too expensive.” This was one of the reasons that Add Helium Staff Instructor Robert Johnson cited for his interest in rebreathers. He wanted to go where few people had gone and see something amazing. Talking about space, he said, “Look how far you would have to go before you get to,

July 21, 2015 3:53 pm | Category: Business , Rebreather Diving

Oxygen Toxicity: Potential New Method of Prevention

The possibility of developing oxygen toxicity remains a concern for us deco and Nitrox divers. Although the exact mechanism is still under debate, the primary theory is that too much  oxygen over too much time can induces seizures.   Research in neuroscience might provide us with new insights to reduce the risk of oxygen toxicity.,

July 21, 2015 3:41 pm | Category: Uncategorized

Does Pre-breathing your rebreather matter?

Training agencies and rebreather manufacturers have advocated pre-breathing the rebreather prior to diving. The rationale has been that CO2 bypass and scrubber faults can be detected prior to jumping into the water. As one instructor told me: “Better to pass out on the boat deck than underwater”. This practice appears to have common sense but,

July 16, 2015 4:07 pm | Category: Uncategorized


As the Add Helium dive team began to explore deeper and further, they were not satisfied with the “status quo” of information. Training agencies and industry experts clearly disseminated outdated and unsubstantiated information.

We all need information based on valid research to achieve optimal dives.

The information you seek, the information we all seek, is here on our site – take a peek and improve your dives.

13 Jan
Obesity, Fitness and Diving

Jan 13th, 2015 by admin in Business ,Rebreather Diving

It is not a secret that obesity is a growing problem in the United States. Obesity is getting daily exposure on the TV networks, radio stations, newspapers, and magazines. While standing in the supermarket checkout line, one is tempted to read magazine headlines promising wonder-diets and exercise routines to transform the overweight in only a,

read more
19 Mar
Rebreather Myths

Mar 19th, 2015 by admin in Business ,Rebreather Diving

In today’s world, navigating available rebreather information can be confusing, frustrating, and misleading. Consumers enquiring about rebreathers are often surprised by how disconnected the industry is. Over the years the Add Helium staff has had the pleasure of speaking with many people that wish to purchase a rebreather. Usually, we are not the first rebreather,

read more
15 Jun
Coming Full Circle: Diving the O2ptima…again.

Jun 15th, 2015 by admin in Business ,Rebreather Diving

By October of 2007, I had become an Optima diver. Trading in my doubles for a rebreather was a careful decision; one involving research and asking questions. I certainly did not want to buy a “garage made” rebreather and Dive Rite, a major manufacturer of technical diving equipment, was presenting a “factory made” rebreather. Eventually,,

read more