Review of Rebreathers for Cave Diving

Best Rebreathers

  • $4,995
  • Easy user interface and very advanced technology
  • User friendly, automated, travel easy, and has all benefits
  • True recreational Rebreather
  • $8,999
  • Lower resistive breathing effort
  • Electronics and the battery are housed on their own outside of the breathing loop
  • Primary HDD (Heads Down Display) is battery driven sequential LED, for continuous hands free monitoring of the oxygen levels.

Hollis Prism

  • Provides maximal comfort
  • Easy maneuverability- It weighs just 50 pounds
  • Can be used at any dept
  • Certified by the US Navy.


  • Three oxygen sensors
  • Easy to breathe
  • Breathe clean and safe gas
  • Fitted with an electrical display unit

Kiss Explorer

  • Magnificent LED displays
  • Fitted with three PPO2 LED
  • Built with a 2nd stage regulator
  • Good for recreations

Hollis Prism 2 Rebreather

If you have been looking for the best rebreather for cave diving, then you might want to consider buying the Hollis Prism 2. It is an eCCR designed not to interfere with marine life. Some of the features that make Hollis Prism 2 one of the best CCR for cave diving include:

  • Provides maximal comfort- The Prism 2 is designed with extra features that make divers quite comfortable when underwater.
  • Easy maneuverability- It weighs just 50 pounds and therefore cave divers will find it very easy to move around when deep under water.
  • Can be used at any depth- The Hollis Prism 2 can also be said to be the best rebreather for cave diving due to its ability to be safely used at any depth.
  • Certified for safe use by divers- It is also very popular due to the fact that it has been certified by the US Navy.

When using the Hollis Prism 2 Rebreather, you won’t have to worry about how you are going to monitor oxygen levels in the rebreather. This is because the rebreather is fitted with a digital and an analogue oxygen level sensor. The digital sensor is the primary sensor and utilizes a 9V alkaline battery to power a sequential LED Heads-Down-Display (HDD). The analogue sensor is a backup sensor for maximum safety in case the LED sensor is damaged. Click here to find different variety of rebreathers.

The alkaline batteries can be used for up to 40 hours and are easily replaced since they are found at most stores. All electrical components are enclosed in a separate watertight compartment. You are therefore guaranteed that the electrical components won’t be damaged or harm you in any way.

Megalodon Rebreather

Just like the Hollis Prism 2, the Megalodon can be said to be the best rebreather for cave diving as a result of its features. To begin with, the Megalodon is manufactured with strong material and hence it can last for a very long time without getting damaged. Apart from its durability, it is also designed to be used under all deep sea conditions.

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With this rebreather, all cave divers are always guaranteed of their safety. Some of the safety features installed that make it the best rebreather for cave diving include:

  • Three oxygen sensors

With three oxygen sensors, there is absolutely no way that there can be oxygen spikes. You can therefore explore the caves in the deep sea without having to worry about oxygen levels. The sensors are accurately calibrated to make sure that there is minimal variation between the actual value and the reading that is displayed on the LED displays.

  • Easy to breathe

The counterlungs fitted into the Megalodon are designed to offer you maximum comfort when breathing.

  • Breathe clean and safe gas

The scrubber canister in the Megalodon is fabricated to filter all water particles in the breathing air. Your lungs will therefore stay healthy as you continue exploring the deep sea.

rebreather 2

One of the factors that make the Megalodon the best rebreather for cave diving is the easy and simple way in which carbon dioxide absorbents can be replaced. You don’t need to hire professionals or waste a lot of time reading manuals on how to replace the carbon dioxide absorbents.

It is also fitted with an electrical display unit that is worn on the hand and displays the values of each of the three sensors. You can also adjust the brightness of the green and red lights on the LED displays. The Megalodon power supply unit can be used for a very long period of time as it switches to ‘power saving mode’ when not in use.

Kiss Explorer Rebreather

Just like the Megalodon and the Hollis Prism 2 Rebreathers, the Kiss explorer is a closed circuit rebreather. However, this rebreather is built with a 2nd stage regulator that allows divers to switch from closed to open circuit.

It is designed to offer optimal comfort and maneuverability as it is built with a harness with crotch straps and counter lungs. The Kiss explorer can also be ranked as the best rebreather for cave diving due to the following features:

  • Magnificent LED displays

The Kiss explorer is fitted with three PPO2 LED displays with each one of them located in a separate compartment and having separate sensors and a battery. You can therefore continue cave diving even after one of them breaks down.

  • Can accommodate cylinders of varying sizes
  • Can be used by divers for recreational purposes or by scientists who are out to explore the deep sea creatures.

Find out what is the best rebreather system by clicking the link below: 


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