฿6,900
Lap 1 covers the same theory as Wave 1, entirely in the pool: pre-dive breathing basics, relaxation technique, finning and no-fins technique, and dive visualisation. You can add the open-water sessions later to upgrade to a Wave 1 certificate.
An introduction to pre-dive breathing, relaxation technique, finning and no-fins technique, dive visualisation, and the other core Wave 1 theory topics.