学习技巧和窍门，例如如何使用闪光灯、避免反散射并增强色彩，并获得信心拍摄让你自豪与他人分享的水下照片！

学习技巧和窍门，例如如何使用闪光灯、避免反散射并增强色彩，并获得信心拍摄让你自豪与他人分享的水下照片！

Become a citizen scientist and learn how to properly conduct an underwater survey and marine debris cleanups to keep your favorite dive sites clean.

Learn boat diving etiquette, terminology, how to properly stow gear, and potentially practice using lines or deploying a surface marker buoy (SMB).

See the underwater world after sundown and learn how to navigate, ascend and descend, and use your dive light to communicate at night.

Reach new depths, discover new dive sites, and learn about deep dive planning, dive limits and gas management.

Expand your diving opportunities with the confidence and knowledge to dive dry, no matter the temperature.

Find the perfect balance: Dive with less weight, and improve your buoyancy control and air consumption.

Extend your bottom time, shorten your surface intervals and dive deeper on repetitive dives.

Find the boat without surfacing, learn how to use a diving compass, and improve your navigation and underwater observation skills.

Diving with a full face mask allows you to breathe from your nose and mouth, and provides added comfort in colder water. The mask can also be fitted with communication gear, which can be useful for various types of specialty diving.

Although diving with a buddy is the norm, there are reasons for an experienced diver to develop self-reliance and independence while diving. Learning to carry out dives without a partner can make you a stronger diver in most dive situations.

Gain confidence diving in currents and practice buoyancy control, entries and descents, and using surface signaling equipment.

Help recover lost items, plan a search operation, improve your navigation skills, learn underwater search techniques and how to use a lift bag.

Learn a different scuba configuration and how to properly assemble and configure sidemount equipment, manage gas, trim your weight, and attach and remove cylinders.