Stage Rigging

Stage Rigging   We get asked a lot about stage rigging, both for open circuit decompression, for cave stages and for CCR bailout. There are three main schools   Traditional […]

Rental Gear Sale

TECH CENTRE EX RENTAL EQUIPMENT FOR SALE   As a specialist technical centre we are obsessive about our gear. It’s properly looked after, serviced by us as an Apeks Technical […]

Step Up or Step Across – from Rec to Tech

Step up or Step Across? The leap from recreational to technical diving   Most dive agencies lay out a ladder type pathway for dive development, showing each course as a [...]

Cylinder Markings – A suggestion for Standardisation

As a tech and cave instructor as well as someone who often guides tech and cave dives I have seen a massive variety in the way people mark stage and [...]

Learning Skills from some instructors might be a waste of time

Skills are the foundation of safe and enjoyable diving and the building blocks of all diving certifications. The comment here is not that learning skills is a waste of time, […]

To BOV(er) or not to BOV(er)

BOV or no BOV   This is usually a polarised argument. People are either all for or all against.  So, let us examine the arguments from both sides. I’m going […]

Twinset Valve Drill

Twinset Valve Drill   The valve drill should be and in fact is easier to carry out in flat trim, with your head up and not moving! Before jumping in […]


Now with Covid 19 cover   Insurance is a massive issue for us all as divers and something we need for peace of mind for ourselves and is usually required […]

Choosing a Sidemount CCR

I got asked recently about choosing a Sidemount CCR. Of course, this is a subject that will lead to war on social media, but I thought I would put my [...]


START      MODS/NOTOXIC        STOP   Ref:   START   This acronym helps divers remember to do a pre-dive safety check with their buddies. This encompasses […]