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Joe's Blog, Scuba Diving and PADi Courses in Bali, Indonesia

Did you know Bali offers some amazing muck diving sites? Or that the name mola mola is actually not the correct name for the sunfish you find on Bali? Discover interesting facts and new insights in Joe’s blogs.


Physiology: Lung over expansion

03 07 17 - 14:00

Today we are going to talk about lung over expansion injuries and how to treat them. The trend these days is to disregard the issue and believe it only happens to others going deep. Unfortunately, this is a myth. DCS and DCI can occur from only ten meters depth and you, as a going to be Scuba Instructor or Divemaster, need to know how to identify them and how to treat them.

 
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Joe’s PADI IDC and Divemaster classroom

26 06 17 - 14:00

Heat and Water in theory:

As we learned, water absorbs heat faster then air does. But why is that? There are several reasons why heat absorption is greater in water. One of them is that water is denser or has a greater thickness of matter than air. It also means water has more mass = molecules for a given volume. Heat is the energy what gets molecules moving. Hence the denser (more molecules) a substance is, the more energy (heat) it needs, which means it absorbs heat faster then a less denser substance like air for example. Another point is also the bonds within the molecules which are so called weaker or more elastic which needs more energy (heat) to overcome. So to summarize, water needs more heat energy to rise to a given temperature.

 
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Regulator servicing

12 06 17 - 14:00

Every regulator needs servicing. How often depends on the manufacturer's recommendations, mostly once a year. So, you go to your dive shop, handover the regulator and probably a few days or week later you are back to pick it up. It looks cleaner, there is a small bag with parts and that is about it. You use the regulator again and chances are you don’t really notice the difference (except if you brought in your regulator with some issues). So what’s the point?

 
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Scuba Tanks

05 06 17 - 14:00

Let's have a look at scuba tanks, we kind of take them for granted, you arrive at the shop, get a scuba tank, we connect them to our BCD and regulator and go diving.

Scuba tanks are relatively small, yet very strong that hold large volumes of compressed gas.

 
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Joe’s PADI IDC and Divemaster classroom

29 05 17 - 14:00

To be a professional PADI instructor or Divemaster you need to know how to read environments and how to explain certain changes in conditions or have the answer to “Why can’t we dive here today as it looks perfect from the boat”. To be able to do so we need to understand what causes Water movements especially Tides, Waves and Currents. If you take your divemaster course or instructor course on Bali at Joe's Gone Diving, you will find this is great knowledge to have.

 
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