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The weights also compensates for the gas you use on the dive. An empty tank is lighter than a full tank and in order to make a safety-stop at 10ft (3 meters) you should need some weights that will make you negative at the beginning of the dive without gas in your BC. Not using the BC (or using...

These days I only dive drysuit, but I've heard many recommendations about adding 1kg/mm of neoprene (that's about 2lbs/mm). This should mean that you should add about 3-4kg or 6-8lbs of lead. Be sure to make a proper weight-check at the end of your dive with almost no gas in your cylinder (~50...

You should also keep in mind that an open inflator valve is resulting in a pressure drop, which could in turn result in a freezing of the inflator. A free-flowing inflator is not a good thing on any dive (accept on the surface when i doesn't really matter) and it could be a bit tricky to release...

It's not really that difficult. Don't know about what "your" agency teaches about redundant boyancy device, but with drysuit you have no use for dual bladder wings or a lift bag as a backup BC. Diving dry takes a few dives to get familiar, much like diving doubles in that sense. May look like...

I think rotating the isolator would be my first thing to try, moving the doubles would most certainly screw up my trim and I'm not sure that I would reach the valves if I move the tanks much lower down my back.

Well, the tank is not DIN or Yoke, the valve is. And since you have a DIN-reg then the DIN valve is the way to go. If you get an oxygen-clean tank, then you can always fill nitrox-compatible air in it and it will still be good for nitrox-fills. If your LDS use inline och membrane filling for...

Well, I know this one is in Swedish, but you could probably go with the images alone... http://www.dir-diver.com/swe/dirknut.pdf

I rub new masks with toothpaste a few times before they are ready for a dive. Then my spit is all that takes to keep the mask clear. The toothpaste smells nice to...

114ft (38m) is my personal deepest to date (both on air and nitrox). I would think that ~120ft/40m would be my max, but that's just a wild guess and given the circumstances I could probably do 135ft/45m. The viz and temps are often low in "my" waters so it's not like diving in warm clear waters...

That depends on what gear OP is using today. If he is diving BP/W there's need for tankbands, valves and manifold, another first stage and a suitable wing for doubles. If he would like to add a stage-rigged tank, then he would need rigging kit for the stage, a first and a second stage and a SPG...

Why different regs at all? Same brand and models on single and doubles means you need less spare parts. It also means thats it's easy build yourself a deco setup when (and if) you decide to go tech. Personally, I would go for the DS4-stages. Where I live, the price tag is the clue... In cold...

If you're not diving dry at this point, this should be your priority. It's a bigger step going from wet to dry than going from single to doubles. With that said, I believe diving is the next thing to focus on. Control and being comfortable under water is always something you benefit from when...

Well, I don't have the luxury of diving every day or even every week. Work, family, house and other spare time acitvities must all fit within the 24 hours of the day... Then there is a thing called buddies... And finally there is the weather, the only place that's not affected by weather is a 35...

Hi there! Like the title says: How often should you dive to maintain your skills? I don't dive "technical" in the sense that I dive with deco obligation (sometimes a short deco on the back gas, but no accellerated deco at this time). I dive nitrox on some dives, but on casual dives in the...

I dive steel doubles but not yet deco. I have an Agir 38lbs wing and it's more than enough. Even with a deco and a stage this wing will be able to generate enough lift. If the wing fails, it will not make a different if the lift is 30lbs or 65lbs, if it fails you will have no lift either way. In...

I was "in your fins" a year ago... Nitrox cert and a strong urge to do wreckdiving. One of my buddies lend me his bp/w setup for a quick test in a local quarry after a usual "get the gear wet"-session. I knew the moment I laid down in the water that I just had to convert to a bp/w, doubles and...

One of the local dive-shops teach the use of ocean long-hose in their OW-classes. I don't see anything wrong with this. It increases movement when you or your buddie is in an OOA situation, regardless of environment. The placement of the secondary 2nd stage is by far the best I've seen and it's...

When diving drysuit it's not always a good idea to use the bungie aproach. If you get a leak on your glove or at your cuff, you can easily constrict the flow of cold water with the standard wristband by tighten it a few notches... With a bungie it's nearly impossible. And for the argument...

Well, black is slimming, and a the less resistance you have in water, the lower your air consumtion will be. And BTW, Nordic Blue don't make black gloves anymore... Probably didn't sell for some reason...

Hello everybody, New to this community and I have only been lurking around for a couple of days. Currently I'm trying to build up some dives and enough experience to be able to take a course in trimix or at least accelerated deco so I can get more time on the wrecks outside of the south...