OW course and regulator failures

Hi Scuba Divers, I'm sorry if there's another topic about this question... I didn't find any. My question: Why do they teach at PADI OW courses that when a regulator fails, it will ALWAYS FREE-FLOW? Or it was just that one instructor I heard saying this? What about other training agencies? ...

Posted by on 21 November 2014 | 2:57 am

Nauticam NA-5DMKIII vs Sea & Sea MDX-5D Mark III

Hi All, I am looking for housing for Canon 5DM3. Can anyone give their opinion or experience of their housing? Mainly Nauticam and Sea & Sea? Some of the feedback from my friends and my thoughts. Nauticam: Like the port lock at the housing and also the lock between extension ring and...

Posted by on 21 November 2014 | 2:48 am

Cozumel trip report Nov 2014 - lots of photos

Our Nov 4 through 14 ten day trip from Denver turned into nine days since we had an overnight in Dallas due to weather so we missed the DFW – CZM flight. Even though we could not land in Dallas, the Cozumel flight somehow managed to leave on time. We did spend some quality time on a tarmac in...

Posted by on 21 November 2014 | 12:57 am

Canon G7x underwater reviews--anyone seen any?

I've seen a number of reviews done re:land use of the Canon G7x, but nada uw! I am particularly concerned as to 24mm f1.8 sharpness and corners. Any info?

Posted by on 20 November 2014 | 11:48 pm

RDP Tables - Surface Interval Questions

Hello there, I have been reading about RDP but got lost in calculating surface interval. Question: you dive at 70' for 30min and then make a second dive to 50' for 4min. What would be the minimal surface interval to perform these two dives safely? So, Why the answer is is 24min I know...

Posted by on 20 November 2014 | 11:14 pm

For Sale Cressi Aquapro 5 XS

Selling BCD. Used less than 5x. Letting go at US$300 (excluding shipping cost) -Durable 420 Denier nylon construction -Gravity weight pockets use large Fastex buckles. -Rigid, padded backpack with carry handle

Posted by on 20 November 2014 | 10:40 pm

Video Edit Software

I have a GoPro that created MP4 files. I need to find some software (CHEAP or FREE) to edit the video files. I have a Windows based computer running Vista. The Windows Movie Maker software won't deal with MP4's. I'm not trying to do anything fancy, I just want to select and save parts of the file...

Posted by on 20 November 2014 | 10:34 pm


I'm planning a diving trip for the winter and unfortunately I won't have the money for a macro lens so I'm thinking of getting a diopter. I have an Oly Epm1. How good would the quality of close up photos be with the diopter? Any recommendations? Also, anyone try these lenses?...

Posted by on 20 November 2014 | 10:19 pm

Any espresso before first dive

Is there a espresso cafe open early in the morning before getting on the boat first thing in the morning? I'm staying downtown and diving with Aldora so I think the boat leaves between 7:30 and 8:00. I know Starbucks isn't open but hope someplace is. I know its Mexico and all but give a guy a...

Posted by on 20 November 2014 | 10:10 pm

For Sale DUI Weight & Trim 2 System $50 + Shipping

I have a DUI Weight & Trim 2 system that I have not used for a few years. I graduated at that time to steel doubles & do not need it any more. In good condition. Asking $50 + Shipping.

Posted by on 20 November 2014 | 9:48 pm

For Sale Apex DS4/TX40 Nitrox Stage Setup

Apex DS4/TX40 Excellent shape. 2" brass Sherwood SPG. Attachment 197854 (http://www.scubaboard.com/forums/attachment.php?attachmentid=197854)Attachment 197855 (http://www.scubaboard.com/forums/attachment.php?attachmentid=197855)Attachment 197856...

Posted by on 20 November 2014 | 9:27 pm

Transport services on Leyte

Can someone give me a number for a van driver on Leyte - looking for San Isidro to Tacloban route. Thanks.

Posted by on 20 November 2014 | 8:25 pm

christmas diving

Does anyone know a good way to figure out which shops are open during christmas without calling them all? I will be there 22-25th, and was hoping to dive with the same folks during the entire time, but am having a hard time finding people who will operate on the 25th. suggestions to dive...

Posted by on 20 November 2014 | 7:19 pm

Newly certed Central Florida DIVER!

Hey everyone. My name is Steve and I'm on the East Coast of Central Florida near the Space Center. Just got my O.W. after almost 44 years in anticipation of a cruise going to Costa Maya and Roatan in January(JamCruise 13). Did my checkouts in Pompano the weekend before last. Just joined your great...

Posted by on 20 November 2014 | 7:15 pm

H2Odyssey or Oceanic GT3 for pony?

Looking to get a a 19 cf Catalina pony tank, and I'm undecided on the regulator. My main regulator is a Zeagle Flathead LT, but I have no interest in spending that much on a pony reg. I like the H2Odyssey regulator (http://www.leisurepro.com/p-h2eas/h2odyssey-extra-air-source-regulator-system)...

Posted by on 20 November 2014 | 7:11 pm