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Never ask such questions like how much a rebreather costs - my wife might accidentally see the posts :)

@inquis I failed to understand from your post - what was the issue? You refer to it as "BOOM" but you say diluent was added (I assume to the loop) - which isn't a "BOOM" scenario (IMHO), and required a different response - can you clarify? Matan.

I didn't (now I have a JJ). I also own my own He bank (50L). I also have a booster + compressor available. The He is just too dammmmm expensive here + this isn't the US - no constant supply. These issues are minor when using a rebreather. Rebreathers IMHO don't save money -They make logistics...

That's really specific to where one lives - a 21/35 fill in Israel is ~180$ today. 10 dives that's 1800$ w/o even counting the Nx50 fills and assuming you have your own cylinders. Sadly the CCR path (if you know you will use trimix) is not cheaper but more cost effective (you don't save money...

My 2 cents are go for CCR-F: 1. He prices will kill you even on T1 dives - if you want to dive "continuously" it's a lot of money nowdays (here in Israel He prices are crazy now). 2. My own personal experience - CCR is different from OC - breathing and balance with the unit are not like OC (one...

putting up with narcosis is either liking it (in which case there are cheaper ways than diving haha) or being cheap on helium which makes no sense - you take enough to avoid narcosis. for me 25/25 I'll be a 60's hippy at 45m. Matan.

owned several wings which aren't Halcyon (and even did T1 and T2 with them) - no issue. of course if it bothers you can always shorten by just purchasing the H corrugated hose or equivalent. Matan.

don't shorten anything yet - assemble your twinset and go dive with it first. Matan.

We always check weighting quantity and placement with near empty tanks - no point in guessing just check. Since you're still using a tail weight I would recommend not buying another plate - but rather reduce that weight (also cheaper). Matan.

some gap is normal - NOT seeing the O-ring. Which manufacturer is the tank? I'm guessing Vítkovice Matan.

1. MDL is MDL - if you do a 30m dive the MDL is exactly the same. it's true that due to constant PPO2 in CCR once you go shallower you'll get "more" bottom time (more than the OC), but that's the not the case the standards refer to - their point is no deco. 2. Helium is better to reduce gas...

and that's what I don't get. The pre-requisite for T3 is CC2/PSCR you can't take T3 on OC according to what I've seen. I'm T2+CCR1 - I can't attend T3 w/o taking CCR2 (now called CCRT2). Matan.

I think companies like DAN don't have a depth limit - also might be country specific? Matan.

Can someone explain this: why the "=" sign? didn't see anything in the standards about it. Matan.

I have the H JJ wing - Much nicer for the GUE config. If you're heavy - get a CF backplate, and you can change the suit cylinder to a carbon one as well (those are literally floats). The H JJ wing should be ok unless you're super heavy in which case it's a rig issue not a wing issue. For...

The shutoff valve+ dil MAV are the children of CE testing nothing more. Either configs (I dive both factory and GUE one) it's nice having a spare MAV as I don't need a dil MAV. The shutoff is nice to add to a switchblock just like a lot of GUE CCR divers do for other reasons. The above are...

But there's nothing wrong with Petrel 2 no? Matan.

Halcyon focus 1.0 have it since it came out. 1. once the knob locking the handle fell off - Halcyon just sent a new one and that was it. 2. the light once got stuck on the medium light setting - was battery related I just opened the battery --> unthreaded the bolt to one of the poles -->...

OP listed "for training" - you get a DSV with the JJ - start with that. since I do use a BOV on my JJ: 1. Shrimp - awesome bayonet connectors, bad WOB w/o enough helium, easy to service. BUT - I have a large nose - it kept hitting my mask all the time hence: 2. Divesoft - expensive, terrible...

No freeflow on my DiveSoft BOV during scootering (using it on a JJ). No chin support either - it's not that bad but I'm not driving the DPV that fast. I would think about loop buoyancy though i.e. I do think the JJ loop with the divesoft BOV is "heavier". Matan.