What is a frequent cause of equipment malfunction underwater?

Poor maintenance or failure to conduct pre-dive checks is indeed a frequent cause of equipment malfunction underwater. Regular maintenance is essential to ensure that scuba gear functions properly. Equipment can degrade over time due to various factors such as wear and tear, exposure to saltwater, and environmental conditions if not maintained correctly.

Conducting pre-dive checks, such as inspecting tanks, regulators, and buoyancy control devices, allows divers to identify any potential issues before they enter the water. This includes checking for leaks, ensuring proper air supply, and confirming that all components are in working order. Skipping these vital steps can lead to unexpected malfunctions during a dive, which can compromise safety and negatively impact the diving experience.