Top 10 Spearfishing Essentials #spearfishing #top10 @ScubaDiverMagazine

Mark Newman
on June 22, 2023
at 5:13 pm

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Latest Podcast Episode from Scuba Diver Mag

Mark Newman

I’ve been scuba diving my entire professional career in both beautiful crystal clear waters of the Tropics to the not-so clear waters around the world. Diving up in the Arctic Circle and marine conservation work down in remote Madagascar. As a full-time scuba Instructor I taught divers in both warm and cold waters and lead countless dives.

But, my main specialty is dive equipment. Since 2010 I’ve been working with a wide range of scuba diving brands and 8 years working for one of the largest scuba diving retailers with hands-on experience with cutting edge dive equipment.

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00:00 Introduction
00:52 Ad Time
01:51 Signal Methods
04:07 Basic Hand Signals
09:56 Scuba Number Hand Signals
11:09 Hand Signals for Things
14:14 Airway Signals
16:16 Surface Hand Signals

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS42MzE1QTJBMEI3NjI4Rjk5

Scuba Essential Hand Signals #scuba #signal

@dekkerlundquist5938
#ASKMARK Hello Mark, while out diving recently I talked to an experienced diver who was diving with twins but did not have any manifold on them, i.e. each cylinder had a first stage with a primary and an SPG. One cylinder had the low pressure inflator for his BC. What are the pros and cons of a manifold setup versus independent twins?

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Website: https://www.godivingshow.com ➡️ The Only Dive Show in the United Kingdom
Website: https://www.rorkmedia.com ➡️ For advertising within our brands
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00:00 Introduction
00:40 What's the point of independent twins?
01:06 Answer

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS44QjI0MDE3MzFCMUVBQTkx

What's The Point of Independent Twins? #askmark

@nickthomas4567
#askmark if using a transmitter do you still need a spg? I do on my main, but not currently on my stage, a transmitter only, it’s a new setup so after a little advice. Thanks Nick

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Website: https://www.divernet.com ➡️ Scuba News, Underwater Photography, Hints & Advice, Travel Reports
Website: https://www.godivingshow.com ➡️ The Only Dive Show in the United Kingdom
Website: https://www.rorkmedia.com ➡️ For advertising within our brands
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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS5ENjg2QjQ3OTVDOUE2QzYw

Do We Still Need SPGs? #askmark #scuba

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Mark Gardner

10 months ago

#askMark great video as always. Can I ask what the pros & cons of a self inflating smb are please Thanks 🙏

Scuba Diver Magazine

Reply to Mark Gardner

10 months ago

Yeah, the benefits are that it’s a completely self sufficient unit which makes it very quick and easy to deploy.
You shouldn’t get a half-fill that flops over on the surface because the volume inside the cylinder should far exceed the volume of the buoy.

The downsides are the cost, they’re far more expensive than a standard dSMB.
You need to remember to re-fill them between dives.
They’re quite large to pack and store somewhere on you during a dive.
There is a small chance that the valve may open during the dive and inflate the buoy accidentally.
And most of the small cylinders do not require regular inspections and you don’t know what the state of the inside is like. Which is a red flag for me for a cylinder that drains until empty in the ocean…

Mark Gardner

Reply to Mark Gardner

10 months ago

Thanks Mark

Paul Milton

Reply to Mark Gardner

9 months ago

Also don’t forget that you probably won’t be allowed to take it on a plane or airport so not much use if you go abroad

EnergiZe

9 months ago

☹️ Please dont kill animals…

Leopold Bloom

Reply to EnergiZe

9 months ago

Agree, with the exception off harmful invasive species. Lionfish out of their natural habitat are a severe threat to the ecosystem and should be decimated as much as possible, even while scuba diving. Otherwise, I really prefer to behave as a guest under water rather than a predator.

Jesse Steele

Reply to EnergiZe

9 months ago

As Mark touched on in the beginning, it’s the most ethical sea food you can have

Robert Parker

Reply to EnergiZe

9 months ago

Must kill before you grill. Otherwise it would cruel .