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During normal use underwater, a small amount of water collects inside the body of a stan-
dard regulator in a natural reservoir near the bottom. This is normal for most second
stages, and the water is held away from your mouth naturally and will go unnoticed unless
you become inverted or do subaquatic somersaults at which time you may experience tem-
porary 'wet breathing'.
Water can be purged from the small internal air space of most second stages by exhaling
a small puff of breathing gas into the mouthpiece, or by blocking the mouthpiece with your
tongue and pressing the front mounted purge button to initiate a flow of breathing gas.
(See Omega II for an exception to this general feature.)
Alpha 7, Gamma, Pony Bottle, and Explorers (Primary and Octopus)
These models are downstream demand valve second stage regulators that are lighter and
smaller than most other primary second stages. They provide breathing gas as you de-
mand it with low inhalation resistance. Breathing effort is factory set to the average perfor-
mance level required by most divers.
They are provided with front-mounted purge buttons and orthodontically designed mouth-
pieces. They can be used as primary second stages or as on octopus. The Explorers
model, designed for children, has a smaller mouthpiece, and the Pony Bottle second stage
has a standard mouthpiece.
NOTE: If these second stages are shipped from the factory specifically as
an Octopus, the inhalation effort is set slightly higher to reduce sensitivity.
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