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Very challenging situation you mastered well. On could raise the question to what extend your buddy was trained on oog procedures. I guess if she would have stayed calm and breathing rate down things would have been much smoother. Kind regards Alexander

Very nice pictures. I use a M67 mount on a Ikelite compact housing. Thanks for your inside. Regards Alex@nder

I think the effects of nitrogen narcosis can be compensated by being well trained and TDI does offer in extended range diving on air to depth you called. However, the real issue is Oxygen CNS toxicity. That killed many rebreather diver and plenty of decompression divers using O2 or EAN 50 at...

I can train myself taking decisions with having 5 shots of vodka which equals the narcotic potential of that nitrogen partial pressure. I will be narced but can train myself to pursue well automatized tasks. I wouldn't recommend to do any overhead environment dives. Blue water at 30 degree C...

P O2 TODmax : 1.3 atm (IANTD) => 52 m on air At 52 m P N2 : 4.9 atm. Max P N2: 5.5 from physiological perspective for being anesthetized. Proposed max P N2 : 3.6 atm (IANTD) => 45 m In a nutshell : all below 45 m severely reduced in water awareness and hence decision making. I personally...

Let's go metric, as the rest of the world. Psi and yoke killed enough divers already Kind regards Alexander

Hi, Great blog! Ever tried UCL 165 to stack on an UCL100 using Canon S110 or digi came with comparable focal length? Kind regards Alexander

Hi, I followed your conversation and would like to clarify one point. I use a Canon S110 in combination with Inon HDL 100 and dome and do mostly CFWA photography using two Inon 2000 D4 strobes in manual or aperture mode. I bought recently a UCL 165 and would like to know what is your usual...

Great blog 👻 Regards Alex@nder

There are some inexpensive knives from Subapro with serrated blade. Small but thick with line cutter included. They sell also a filament nett cutter, which is used by US Navy divers, too. Titanium or stainless steel. Comes all with poach. Leg is the last place I would put a knife, better arm or...

I would go for Apeks XTX 50. Has a turret and 2 HP ports, 5 MD ports. Can be nicely DIR configured. Is sealed. The XTX 100 and 200 are nice too and if you dive twins might be the better choice. DS4 is the cheaper alternative, no swiffleling turret. All allow for cold water and maximum usage of...

I did recently my IANTD Tec Wreck certification in Subic and pressed my self through narrow passages inside the wreck of the USS New York. Glad to have wearing a long wetsuit although the water was temperature wise 26 degree. After 80 min being in the water things are getting too cold for me...

For me it works perfectly, shot more than 2000 pictures without malfunction. There is a little mirror attached to the lensring which reflects the light directly orthogonal into the light cable. Inon W57 bush set for Canon Ikelite housing S110. Kind regards Alexander

Good point. I imported it from Germany and live in China. Will be less straight forward Kind regards Alexander

Many thanks. I assume it's not an alignment issue but related to diffirential pressure build up. I will try the silicon oil for the buttons. Never did this. And next time I will observe if the problem is alleviated by waiting longer at depth. I assume the knob is pressed against the seal and...

I use shorts above my wetsuit with large pockets to store it. I never dive without SMB bcs it's the best way to do drift decompression and indicate boat traffic where a diver is located. It's the best to orally inflate it and control both spool and SMB with both arms spread out to prevent...

hi, Sorry for missing your blog. There is an Inon brush set I recently bought for my Ikelite Canon housing. Since then now issues to fire two strobes with optical cable different manufactures, e.g Inon or deeproof. Kind regards Alexander

ciprofloxazine works wonders, also for outer ear infection. Kind regards Alexander

You only have one transmitter for the back gas. The others are controlled by Finimeter. Regards Alex@nder

Hi, I dive Suunto D9TX which is a bit small from a display perspective. I use a transmitter and change gas according to my decompression schedule. It nicely provides me at one glance all information, incl. back gas pressure and it allows for setting alarms which is good for reminding one self...