A SCUBA snorkel is an essential part of your dive gear; it allows you to float on the surface and breathe easily while enjoying the view below, and it can help make long surface swims a lot more enjoyable. Best of all, it helps you to reserve your air for use beneath the surface, especially when you’re shore diving, and at times when you are waiting for a group of divers to get in the water prior to a dive. While snorkels are simple, basic equipment, there are several different types available, each with a variety of useful features. Let’s take a look.
Semi-Dry Snorkels vs. Dry Snorkels
Semi-Dry, or Open Top Snorkels can be completely open on top, or they may come with a splash guard that is supposed to prevent some water from entering. These snorkels fill when submerged, and if you’re hit by a wave, quite a bit of water can enter.
On the other hand, Dry Snorkels keep water out. They are equipped with valves that are designed to allow you to breathe, plus they prevent water from entering while you are submerged. On the flip side, they tend to be bulkier, and some divers complain that they can create a little drag. People who tend to use their snorkels a lot seem to like dry snorkels better than those who rarely utilize them.
Folding Snorkels
For those who can’t stand wearing a snorkel while diving, or who think they’ll only use a snorkel during an emergency situation, folding snorkels are a good choice. Designed to fold in half or in thirds, these snorkels can be kept inside a BC pocket and pulled out when needed. If you plan to dive in overhead environments, a removable, folding snorkel can be a good choice as it reduces the possibility of snagging.
Purge Valves
Most quality snorkels come equipped with purge valves that help to clear water from the inside. These thin membranes are located at the bottom of the mouthpiece. When you exhale, these one-way valves push accumulated water out without allowing any more to enter. Some purge valves automatically drain as water accumulates.
Snorkels without purge valves often have small reservoirs that allow water to collect – you’ve got to purge these yourself, either by blowing forcefully, or draining the water after removing the snorkel
Rotating Mouthpieces and Flexible Barrels
If you want to be more comfortable, look for a snorkel that has a rotating or “drop away” mouthpiece that moves with you. Flexible barrels help, as well. If you’ve ever used an old fashioned “J” shaped snorkel made from rigid material for an extended period of time, then you know how uncomfortable they can be. Most quality dive snorkels come with these features; you’ll pay a little more for a good one, but the investment is worth it.
As you are choosing your snorkel, be sure that the mouthpiece will fit comfortably – usually, silicone mouthpieces fit and feel the best. Take into consideration how often you’ll be using the snorkel, and also consider the conditions you’ll be using it in. The right snorkel for someone else might not be the right snorkel for you; buy the one that suits you best.