Snorkelling is an easy and fun activity for all the family! Breathing through a snorkel is more physically demanding than regular swimming. If you feel tired, short of breath or dizzy, remove your mask and snorkel and get out of the water.
The use of this product is not recommended if you have cardiovascular problems (chest infection, angina, asthma, high blood pressure, heart disease, etc.). Consult your doctor if in doubt