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Question 1 of 1

Which of the following is not true?

• The bubbler system clears duck weed from the surface in much the same manner as a diver’s exhaust bubbles do.
• The compressor that powers the bubbler system has been modified to put out considerable volume (just not a lot of pressure).
• The bubbler is unnecessary when divers are using open-circuit scuba, as their exhaust bubbles will be sufficient to keep the surface clear.
• Once the bubbler system is activated, we can control where, and in what volume, air comes to the surface.

Explanation: While divers’ exhaust bubbles can clear some duck weed, they are not sufficient to keep enough of the Grotto’s surface open, nor can they clear the surface of the water prior to when dives enter.