VERDICT: The water temperatures of 6 degrees C in the depths of Vivian Quarry were a good test of the top-end regulators in this review, especially as we pushed them to the limit by doing everything you shouldn’t do – rapidly breathing them on land prior to immersion, extended purges topside and underwater, hard breathing underwater in all positions, etc. We managed to get a couple to free flow, but had to work hard to do it, and overall, they all provided decent and above performances.
The Scuba Diver Choice award went to the Apeks MTX-R, for its sublime breathe and robust build quality, and the Scuba Diver Best Value award went to the Mares Fusion 52X, which also did well.

Mark Evans

Mark Evans

Scuba Diver's Editor-in-Chief Mark Evans has been in the diving industry for nearly 20 years, and has been diving since he was just 12 years old. 30-odd years later and he is still addicted to the underwater world.

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