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I’m in the final stages of gathering the materials for a Nitrox Stick. I was going to go with a Static Blender chamber but the manufacturer is out of 2” components. So I’m using a 2” pvc pipe. What are your suggestions on either Practice Golf Balls or Bio-balls for the blending? …And why...

I have a student with large feet (Size 14) and they love yellow. So our options are limited. Would the Hollis F1LT be a good all-around fin or is it strictly a short tech fin? Or is there a better yellow fin in size 14 out there? I have never dove with a pair, but I love my F1s. But they...

The other day while I was doing a Google search for an out-of-print book, "Oxygen Hacker's Companion by Vance Harlow", I came across this list of suggested books for your personal library. I found this blog article about suggested books for your personal library fascinating and thought I would...

I know this is not a printed - hard copy, however, if you are interested in a PDF copy of Vance Harlow's "Oxygen Hacker's Companion 4th Ed(revised 2009)", here is a link to our GUE friends' site...

We are looking for a dive charter diving the wrecks. Any suggestions or recommendations?

Scuba Pro Jets Made in USA Black Size Medium After Market Spring Straps, mostly XS Scuba Condition good and no dry rot or tears in foot pockets. Just need to remove my wife’s name. Price is $70 including shipping in U.S. Postal System (including U.S. States, territories, APOs, FPOs, Canadian...

Has anyone taken Dewalt 9ah batteries thru Routan’s Customs? Wha about smaller size batteries? We are staying a week in Roatan and wanted to bring our Blacktips.

Hello WWII Aviation Wreck Enthusiasts, Are there any PBM Mariners, “Flying Boats” wrecks with in dive depths? We have three known intact PBMs in Kwajalein’s lagoon. The models are PBM-3D, PBM-3R and PBM-5. If anyone is interested my dive buddy, Dan Farnham, wrote an article on Kwajalein’s...

For those who missed the opportunity to meet and sail with Capt Vern you truly missed one of the finest individuals I had the pleasure of meeting. In April/May 2012 I did my Divemaster training at UDC. Capt Vern ran a catamaran ferrying service daily between Roatan and Utila. In my opinion it...

Has anyone used the Dwyer DM1000 Series Digital Differential Pressure Gauge? I have several of their time tested 2000 Series gauges, but just curious how well the digital gauge works for bench testing. Series DM-1000 | DigiMag® Digital Differential Pressure and Flow Gages monitors the pressure...

I am looking to add a light or two to my P2s. Any suggestions?

I will start out with what I want to use my iWatch 6 for...mark the location of a potentially new WWII ship wreck, a Higgins Landing Craft. I spotted the wreck a month ago on a DPV trip to another known WWII wreck. After looking at the the charts this one appears to not be charted. Our plan is...

In about a week I leave for a 1-week trip on the Truk Odyssey with two other friends. Our dilemma is whether or not to take DPVs. We are all diving doubles and trained for decompression diving. We also know the main attraction is Wreck Penetrations. The flight is just 3 hrs and one plane...

About 6 years ago while working in Kuwait I joined the local BSAC. I really enjoyed my Dive Leader training ang the social aspect of that club. I thought at the time there were a couple of BSAC clubs in UAE. Do any of these still exist?

I think we all have seen posts where someone asks for opinions on computer X or to compare computer Y to computer Z and the discussion always evolves into algorithm A is better than algorithm B, but algorithm B is much better than algorithm C because it comes in computer X. So which is it...do...

I have a decal from Bubbles Below dive store out of Woodinville WA. I was in Seattle in 2013 and did a couple of dives with Peter and had the pleasure of meeting Lynn...two experiences I will always cherish. I have one of the Bubbles Below decals posted in my shop, Dive Kwaj located on U.S Army...

I have a good customer who had a boat capsize on her and dump diesel fuel in the water and all over her dive gear. It seems to have impregnated the plastic housings of her second stages and of course the fabric of her BCD. We have tried Blue Gold in a hyper sonic cleaner, but the second stages...

I know that Aqua Lung's new transmitter for its i450 & i750 also works (links up) with Shearwater's Perdix AI and vice versa. Has anyone tried to sync a Suunto Vyper to one of these transmitters or are Suunto's transmitters exclusive to their dive computers?

SBers, I a couple of weeks the GF & I will have a half day layover in San Francisco on our way home. We would like any suggestions for a hotel near the airport and close to BART for some sightseeing. Right now I only know of the Marriott and the Wesin...but I do not knopw anything about them or...

A friend of mine recently had MK25/S600s setup serviced. Now the 1st stage squeaks when she inhales. She says it (both the S600s) breaths good even at 100+ fsw...just the 1st stage squeaks. The IP is 138-141 psi depending upon which gauge, we use. Anyone ever seen this before? Thanks. ~Oldbear~