If you’re diving a rebreather (closed-circuit breathing apparatus to be exact), then you know the scrubber removes carbon dioxide from your recirculated breath. Without the scrubber working, you’d go unconscious from carbon dioxide intoxication within a very few minutes of starting the dive. But do you really know what’s going on inside that scrubber canister? … Continue reading A Look Inside Rebreather Scrubber Canisters, Part 1