How Logging Your Dives Can Make You a Better Diver
Here are a few items you can include in your logbook to help you stay organized and honest, track progress, and work on self-improvement as a diver.
Here are a few items you can include in your logbook to help you stay organized and honest, track progress, and work on self-improvement as a diver.
Cold water diving is not the best concept for everyone out there. But for some, cold water brings the best visibility, solitude, and a very unique aquatic environment.
We get questioned a lot on what the difference is between SDI, TDI and ERDI courses, so we decided to put it out there where it’s easy for everyone to find when they start doing research.
by Dr. Thomas Powell:
Divers of all types often worry about thermal protection and water temperature. No one wants to be cold when they hit the water. This fact is especially true if a diver is planning a long dive. Temperature is definitely something that can cause a diver to complain. The surface weather may be too hot or too cold. The water temperature may drastically change as a diver crosses thermoclines. Despite these issues, divers will still brave the elements and hit the water.
One thing divers rarely complain about is having feet that feel too warm. The truth of the matter is that no one likes cold toes, but warm and cozy toes in the water can make for a pleasant dive. Every day in dive shops around the country, divers often buy the standard boots that the shop has on display. What many people do not realize is that there are more boot types out there than you can really count.
First, you have standard neoprene boots. Just like wetsuits, they come in different thicknesses based on what a diver prefers. Just like a wetsuit, the thicker the material the more thermal protection a diver will get from the boots. A secondary thickness factor that many divers do not think about is fin sizing. I do not mean the size of your typical recreational fins for warm water, but instead, the size of the fins a diver would wear with his or her dry suit. In many cases, wearing a thicker boot for wet diving will help fill the space in a pair of larger fins worn with a dry suit. Remember that dry suits often call for a diver to wear a shoe size larger than normal. This space allows for added insulation layering if needed. I have discovered that if I wear 6mm wet boots with the larger fins I use with my dry suit, I only need one pair of fins for both types of diving (dry or wet).
Second, dive boots may come in low-top or high-type design. Remember that the objective of any item used for thermal protection is to trap water against the skin creating a pocket of water at body temperature. High-top boots often provide more thermal protection since the boot is constructed to sit higher on a diver’s ankle. Simultaneously, if a pair of high-top boots is too tight, calf cramping may ensue. Any boot that is too tight can cause foot cramping. High-top boots may also have zippers or fasteners to allow the diver to put on the boot with greater ease. Low-top boots are better designed for warm water and minimal thermal protection needs. Low-top boots are designed for comfort, foot stability, and to provide support while wearing open-heeled fins.
Soft or thin soles are found on many typical inexpensive booties used for scuba. These soles are glued or stitched to the neoprene foot pocket. This type of sole provides basic foot protection, but more than anything provides traction beneath a diver’s foot. Most low-top booties and some high-top booties are designed with thinner soles.
Hard or thick soles are one boot factor that a diver should consider if you have to trek any considerable distance to the water, or will spend any time on uneven ground. For instance, if a diver is carrying cylinders through the wilderness to a dive site, and is forced to make multiple trips, foot protection is critical. Similarly, if an entry point is located on a rocky beach, like many entry points in Bonaire, hard soles can prevent stone bruises. Essentially, hard soles are more like the ones you find on a typical shoe. They provide a higher level of protection and support, but also cause boots to be more rigid.
Another type of boot that many divers use is an over-boot. Not all dry suits come with mounted boots. Many individuals purchase dry suits with soft feet so that an over-boot can be worn over the soft foot pocket. Over-boots may be made of many different materials. Some lace up like tennis shoes and some have different forms of straps. The goal is to choose what is most comfortable and suits your needs.
There are many different types of boots a diver may choose to wear. Different boots are designed to provide different values and even to be worn in different environments. When you purchase boots for diving, you should look at where you will be diving, and what needs may be prevalent. Then look for a boot design that meets those needs.
– Dr. Thomas Powell
Owner/Instructor Trainer – Air Hogs Scuba, Garner, NC
We are often asked about the differences between diving wet and diving dry. Other than the obvious answer – “you don’t need to dry anything but your hair after the dive” – there are some key differences.
When diving dry in the summer, comfort is key and the proper amounts of time and effort must be put into maintaining equipment, staying safe, and having fun.
by Dr. Thomas Powell:
The scuba industry is one that inspires thoughts of tropical islands, warm waters, and amazing water clarity. Despite those images, there are still times and places where the water is not so pristine and a swim suit just won’t cut it with regard to physical warmth. Situations such as these make divers seek out environmental protection suits that can keep them warm in all sorts of diving conditions. Differing divers of unique backgrounds may have alternate views on the use of these suits. To show how dry suits specifically can help any type of diver, the following are the views of five different divers regarding two ideal uses for dry suits.
Jerry Davis – Dive Master
I remember diving a dry suit for the very first time. It was 1993. I was in the Navy. It was one I had checked out of the gear locker, and it was pretty close to fitting me perfectly. I received my instruction on how everything worked; what to do and what not to do. Then it was off to the pool for hands-on instruction.
I left the Navy after eight years of service and decided almost 15 years later I wanted to dive again year-round. This time, the experience was totally different. I was measured three different times for my new dry suit to make sure it would fit properly. I was able to hand pick each and every thing I wanted in the dry suit.
For me, there have been two primary types of diving using a dry suit.
Josh Norris – Instructor/Owner – Air Hogs Scuba
When a person imagines going diving, there is often a thought of beautiful beaches and 100 ft viz through the 85 degree water. Others imagine diving in a completely different way. When I first began diving in a dry suit, I remember thinking (and saying) this is far too much work. Not only was it difficult to put on and take off, but the bulk of the suit itself made everything that was once very easy – an adventure in basic yoga skills. I swore that I would never get the hang of diving dry, and could not understand why people would want to anyway.
Fast forward five to ten dives into the future, and my opinion quickly changed. A basic reminder in manning up and admitting that I was not going to automatically be great at every type of new diving I tried was the first, and hardest step. As a diver who is used to having a certain degree of self-perceived skill in the water, flipping upside down and having air rush to my feet was clearly not my fault. The folks who were not having this problem in their dry suits were obviously using some sort of witchcraft to master this waterproof sac. Once calm in the water however, there was no looking back. After five dives, I felt very comfortable in the water. After ten dives, I swore that I would never go back to using a wetsuit. With the suit itself being just another tool in the scuba “tool box.”
Rob Bradish – Instructor- Air Hogs Scuba/Blackbeard Scuba
With over thirty years of scuba diving experience, over the past three years I have advanced into a role as an Instructor with SDI, TDI, and ERDI in the eastern North Carolina region.
When considering the various technical improvements to diving over the past few years, dry suits come to mind. With improvements such as zippers (yes, I remember when dry suits didn’t have them), latex seals and hybrid materials, comfort, fit, and ease of use have all dramatically improved.
Bear Yates – Dive Master Candidate
I’m a rescue and recovery diver working towards becoming a public safety diving instructor. I am also a disabled Veteran living with issues most people could never imagine having to deal with. Diving has been one of the best therapies that could have ever helped me.
What I’ve seen so far is that the benefits of dry suits are too numerous to mention, but I’ll break down a few. There are many situations where a dry suit is a good idea, and then there are times when it is the preferred choice.
Dr. Thomas Powell – Instructor Trainer/Owner – Air Hogs Scuba
There are many ideal situations for diving dry. Dry suits can allow a person to stay down longer, remain warm for a longer period, and dive during harsh conditions. Dry suits are an essential piece of a dive “kit” that can allow you to remain active in the sport during the most unique conditions.
As we have seen here, there are many uses for dry suits in the world of scuba. They protect your body, keep you warm, help you maintain core temperature for surface intervals, and possibly allow for longer dives. Dry suits therefore make sense when doing longer, colder, deeper, or even penetration dives. They let you stay and see things when a wetsuit would not provide sufficient protection. So give it a try and see how diving dry can expand your year-round scuba experience. If nothing else, dry suits let you pick your own undergarments. So choose how warm you wish to be and go diving.
– Dr. Thomas Powell
Owner/Instructor Trainer – Air Hogs Scuba, NC
by Lauren Kieren:
Picture a clear sky, slight breeze, warm sun beating down on flat calm seas, and limitless visibility underwater… What could make this picture perfect dive day go from fantastic to terrible? Having to skip out on a dive! If you are a new diver or this is your first dive of the season – there are a few Do’s and Don’ts to consider before taking a giant stride in and having to skip out on a dive. This list by no means covers every item to consider, but it’s a good head start to diving back in.
To start, don’t compare scuba diving to riding a bicycle. We all know the saying, “if you don’t use it – you lose it,” the saying applies to diving as well. Regardless of how many certification cards are in your wallet or how many dives you have logged, after a period of inactivity, your skills will diminish over time.
Do participate in a SDI Inactive Diver or refresher course if you have not been diving within the past 12 months. It’s better to go through a tune up in a pool or confined open water setting under the guidance of an active dive professional versus trying to figure everything out during your initial descent.
Don’t forget your certification card while prepping for your dive trip. Nothing is worse than having your gear packed while you’re getting excited for the dive, and you get turned away during check in for not bringing your certification card. If this happens and the location has internet access, you can verify your SDI Certification online without missing the dive and order a replacement card.
Do check in early for your dive trip. You might be able to pick the best spot on the boat or find an empty bench if you’re shore diving. Allow yourself some time to set up your gear without rushing and verify all of your equipment is on, functioning, and ready to dive.
Don’t be “that guy” (or gal) on the dive boat or at the shore site with a suit case full of scuba equipment exploding all over the place. This can cause people to trip over it and it can be invasive to their personal space to set up.
Do make a checklist of necessary dive equipment for the day, lay everything out before packing it, and only bring what you need. If you are diving off a boat, store your empty gear bag under the bench and be attentive to keeping your equipment streamlined and confined to your space.
Don’t get yourself in trouble or put yourself at unnecessary risk of Decompression Sickness (DCS) by not paying attention to your personal dive computer (PDC). Don’t be “that guy” (or gal) who ends up back on the dive boat or shore location with a screaming dive computer sounding like a fire truck coming down the road.
Do keep an eye on your PDC and pressure gauge during the dive. In addition to your depth, time, no decompression limits, and air consumption rate. Get to know the functions of your computer and learn how to read the displays before making the dive. Take the proactive approach to safety in the water and be aware of your limitations. Your first dive of the season or after a period of inactivity can go by very quick! Pay close attention as the time may sneak up on you.
Don’t ascend faster than your bubbles.
Do CYA… Computerize Your Ascent. Your dive computer is a necessary piece of equipment; no different than your mask and fins. It’s a fantastic tool to utilize to enhance the safety of your dives. During your ascent, pay close attention to your computer. Most modern day computers have an ascent alarm to warn you if you’re going up too fast. If your computer does not have an ascent alarm, watch your depth and time to ascend no faster than 18M / 60FT per minute.
Finally, don’t forget to have fun! Do give us a call or send an e-mail to tell us about your dives. While we’re stuck in the office, we want to hear about your fun, exciting experience underwater!
Did you like these condensed Do’s and Don’ts for your first dive back in? Feel free to pass these on to your dive buddies and share it on Social Media. If there are specific Do’s and Don’ts you want to see, let us know in the comment section below. We will continue to add more Do’s and Don’ts lists in the future so keep an eye out for the next round to come!
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