More v. Bigger. In general, look for more batteries (six or eight) if you want a brighter light; look for bigger batteries (C or D cells) if you want longer burn time. You can find more light buying tips in Night Skills, our feature devoted to ...
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Plus: Hepatitis C and diving, understanding DCS and training with nitrogen supplements
Avoid tobacco and alcohol. Both tobacco smoke and alcohol irritate your mucus membranes, promoting more mucus that can block your eustachian tubes. Learn the ins and outs of the ear with our "11 Tips For Easy Equalizing".
Is it carbon dioxide buildup, sinus trouble, tension or decompression illness that's crunching your skull?
Check for leaks. Pressurize the BC using the oral or power inflator and submerge it to look for leaks. Rotate it in all directions to give small bubbles a chance to escape. Want to keep your BC in tip-top shape? Then take care of it. Read ...
Eight ballast systems designed to ease your lead load.
Set a course. Whether you follow a compass course from the anchor line or lay out a guide line or do both depends on how much you can see. So does the route you follow. In the worst conditions, a short, straight out-and-back route is probably ...
#4 Ken would have to investigate all of Bill's past buddies.
If your dive buddy gets hurt or dies, could you be found liable in a court of law? In a word, yes.
For fin-kicking energy, pack one of these portable pick-me-ups on your next dive.
We revisit the findings of a 2006 workshop that evaluated a long-established rule of scuba diving — always make your deepest dive of the day first.
Want your buoyancy and your counter-buoyancy in one convenient piece of gear? These new models do it all.
When the waves are rocking, don't come knocking. Follow these tips for diving safely in surging water.
Plus: Answers to your questions about middle ear barotrauma and exercise. Other questions covered: Will Asthma Prevent Me from Becoming a Divemaster? Can I Dive After a Vasectomy? What Is the Treatment for Middle Ear Barotrauma?
Improve your next dive by losing a few pounds around the waist.