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You need to realize that being able to sink at the beginning of the dive, doesn't mean that your weighted correctly. You are heavier at the beginning because of the weight of the compressed gas you're carrying. The only right way to make sure the weighting is correct, is to check with almost...

If you're negative at the start of the dive, you're not balanced. You will need to fill your wing with more gas than needed when balanced. Therefore you are in bigger trouble in a failed wing situation. Get a more buoyant wetsuit. The take the minimum amount of weight to remain neutral at the...

Correction: when diving at 30m and in compressed wetsuit (from depth compression) AND YOU LOSE THE AIR IN YOUR BCD/WING, then etc.

Compensating for the buoyancy of Al tanks only makes you heavier in total. Really the only 2 things that change during your dive are the weight of the gas you carry (it is not dependent on the tank material, only on the fill weight PxVxdensity) and the buoyancy of your suit (controlled in...

To my opinion thereś nothing wrong with exploring new ways to make the user interface more intuitive and easier for new and experienced users. However I personally have no problems with using the corrugated hose. And the corrugated hose gives you a third breathing option in an emergency...

Water in your tanks is a serious problem. Solve that before worrying about steel or alu. I use double 12 l extra heavy steel tanks as doubles (14,2kg each) because with an additional 3kg V-weight in between I don't need any more lead with a drysuit. Why go lighter under water and heavier above...

Forget ponies, use doubles. More air, less lead. And the benefits of the two being usable from both regs.

It has an oral inflator hose that sits tucked away under the velcro strap on the left shoulder. It has a mouth piece that has to be pushed in lightly to open. It can be replaced by a normal inflator for instructors or others who'd prefer that though. I've had the jacket demonstrated to me at...

You could try a mask with an oval glass pane like the old nemrod ones. I've heard of one guy who preferres his above all other masks because he has a large nose. You would have to find one on Ebay or something because they are no longer produced.

I own scubapro jetfins, mares quatrro's and scubapro twinjets. Forget the twinjets, I bought them because I couldn't fit XXL jetfins or XL jetfins with my drysuit boots (tooooo large or too small) and I thought they couldn't be that bad. I found out real quick. Then I bought the quattro's...

Not BS, I have been offered poseidon extream regs at a dive show in germany by some couple with their own stand. The sold them without any guarantees, no questions asked, but for half the price. When confronting the poseidon dealers with this , they told me I should not buy them, they didn't...

I have visited the diving display called duikvaker in Holland. It was on display there. My recollection is that it has a first stage derived from the MK17 with a turret added like the MK25 has. So your hoses swivel. This first stage is now called MK19. The second stage has a small metal...

Try toothpaste! I used it in the army when cleaning my water bottle. Gets rid of the plastic smell as well.

Today I bought the Custom Divers Wing. It's under way by mail. I'll post a comment after I've tried it. Thanks you all. Greetings from Ronald K

Thank You for your replies. I haven't been watching for a couple of days but it's nice to hear from you. Well The reason I have for wanting to know if it's possible to remove one of the bladders is that in that case I'm always sure that I'm not carrying any trapped air in it, and more weight to...

Thanks for the advice it's a tough one this! Greetings Ronald

Very nuch to my surprise I got no (yes, zero) reactions on the thread about a Wing system made by Custom Divers. Please can anyone give me an opinion about this manufacturer and or the TCW Wing, Backplate and Harness Quality? Any Info would be greatly appreciated. Maybe it's not a very...

Blox, the lungs don NOT expand during ascent. This is why we breath ambient pressure air, so our lungs can work at their normal volumes at all depths. The only occasion when your lungs expand during ascent is during normal inhalation or worst: holding your breath. We all know what that means. I...

Whatever you like to do about it; and maybe you will find some gaiters, don't over tighten. Keep the blood flowing; always good to prevent decompression sickness symptoms.

CO2 build up or through causing raised acidity of the blood triggers the breathing reflex. This is why hyperventilating can be dangerous. If done too thoroughly the CO2 threshold to trigger breathing is postponed too long and causes black-out and drowning through lack of oxygen.