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I used to dive a basic mares and i've lost a pocket and the only dive buddy i semi-regularily dive with that has a mares bcd lost both his pockets - that said i think mblazer is right and if you are extra careful about making sure they click into place i think there is a very low chance of...

I ended up going with the vb-50 cave. It is an 18 watt led but seems to compare pretty favourably with 21 watt HID from what i can gather for signalling and has power/beam options (i'd like to be able to use it for night diving which should work on low setting + wide beam). I got it for about...

I'd go for the dg03 (or oceanic or whatever equivalent) rather than the dg02 (or equivalent) as you can gas switch on the dg03 so you'll be able to do accelerated deco with EAN mixes and then if you ever move to trimix you can use it as a deco bottom timer. And it would always be fine as a...

Yea i just talked to the person i'm going to take the course with and she said that anything beyond 21 watt HID is overkill unless you are doing videography or something (for our cave systems at least i guess). Changed my mind again and now really considering the mb-sub 50 if i can get it under...

Thanks for the replies guys seems like this is vastly preferrable to spending $200+ for something from a name brand. I emailed him and if he is able to do a custom fit if necessary then it is all good. Can anybody give me an idea what other product the 2 layer polartec is comparable to that is...

Is there any drawback to having a 50 watt HID other than the fact that you might blind everything in sight/drown out your buddies/teams lights? The mv-sub 50 looks nice in terms of the beam/power variability and I had looked at the lightforme lights also. At this stage I'm feeling inclined to...

How wide can you make an HID beam? Is it possible to use one as a video light? I guess one of the problems I'm having with the idea of ordering say a 21 watt HID is that it is only a few hundred (ok 6) more to just get a 50 watt light...like where do you stop? EDIT: But by the same token if i...

Could somebody give me an idea of the sizing? I am 6'0 and 165lbs and the sizing chart just seems whack for me (looking at the 250 polartek) 2 LAYERS OF POLARTEC 250G/SQM DRYSUIT UNDERGARMENT -MEDIUM | eBay MEDIUM CHEST 40 INCHES HIPS 40 INCHES WAIST 38 INCHES ARMPIT 20.5...

Hi, I'm going to be taking a cavern course soon and plan on doing cave/full cave eventually (live in australia, takes a while to progress through the courses here). I'm not really sure how to estimate the wing size i'll need as i'll be diving a drysuit which i've never done so i don't have much...

Hey, Going to do a cavern course shortly and intend to progress and do full cave eventually (i live in australia and the full process here takes quite a while since you need a fair amount of cavern/cave dives before progressing to the next level). I'm only just learning about can lights and not...

Just read it - important to note that this is not a research paper but a more of a cherry-picked review. Most of the research that "supports" his view are experiments from the 50s and 60s, one of which used curare to paralyze patients (exept for 1 arm) to see how long they could withstand...

I am close to Sydney but the GUE fundamentals course is 1000$ in australia so not too keen on that unless i was planning on taking other GUE courses. The reason that florida appealed to me is that it is quite difficult to get to the easiest place in australia (mt gambier) where they do the...

Right ok so seems this was probably a bit optimistic. No doubles, no staged deco, no drysuit training and only about 160 dives (2 years) which would be over 200 before doing the trip but yea obviously that isn't much. Can somebody give me an idea of what it would cost to do a cavern, intro...

Hi Just wanting to get some people's perspectives on the best people/places with whom to take cave diving courses and the must visit cave diving spots in florida given say at least 1 month and no real budget. Who is in your opinion the best teacher in Florida? I am open to both backmount and...

Yea I only heard about it because we were planning on diving there shortly afterwards and thoughts about whether the police investigation would have the cave closed. This is the only media report i can find on it Fish Rock dive death - Local News - News - General - Macleay Argus It also popped...

Maybe, WA is the only state where you can spear on scuba. Might be wrong but I think the US guy who was killed by a shark last year in WA was believed to be spearing. There was also a fatality a week or two ago at south west rocks (fish rock cave i think) that i didn't see reported here

Yep I'm going to upgrade to SS. I'm considering grabbing an Al plate as well coz I also do a decent amount of tropic traveling/diving and it would be much more transportable/probably better suited weight wise for a 3mm. You get plenty of lift with a 2 piece 7mm and steel? More I think about it...

Starting to reconsider the oxycheq 30lb from AL back plate w/ Oxycheq Hog Harness & Oxycheq Mach V wing [DROCpkg] - $375.00 : Cave Adventurers!, We will NOT be undersold!!! as you can qualify for free international shipping (pretty big deal for me). And 30lb is a good medium I think - if i dive...

Matt if you want to see your hemoglobin saturation drop then start doing exhale statics. You basically start up like a normal static but on the last breath hold you exhale completely - your CO2 levels will build at the same rate but you will get hypoxic much quicker. 1 min is not very long at...

Should have probably mentioned that I am from australia so anything I get will have a good $100 shipping added on it + warranty is always a bit hard to deal with if something breaks anyways. Thanks so much for the suggestions - does anybody know approx how much buoyancy a 3mm + 5mm combo (i wear...