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This is a restoration project. I was given a JBL competition magnum speargun. It is in need of TLC. The guy I got it from knows that I - restore, rebuild, repair, so on and so forth just about anything (if it can be done). The first thing to tackle is the plastic guide for the shaft (on top...

This is a restoration project. I was given a JBL competition magnum speargun. It is in need of TLC. The guy I got it from knows that I - restore, rebuild, repair, so on and so forth just about anything (if it can be done). The first thing to tackle is the plastic guide for the shaft (on...

I was given two steel tanks, they are Gensis 100s, with a DIN only 7/8-14 thd tank valves. They passed hydro/visual. The issue, my gear is yoke style. I have searched to try and find valves of 7/8-14 thd that are yoke or yoke/din compatable (like the 3/4" ones, but in 7/8"). Hopefully...

The local LDS is coming up with a dedicated nitrox compressor. I just finished making the motor mount for the compressor and its up and running. Now we need to look at downstream analyzing of the mixture. Being downstream obviously means high pressure (HP), thus needing to reduce the...

Hi: I am an avid reader more than a contributor, and now have run into a problem. Background: Certified tech - no, I help out the local LDS in reg maintenance. At home, I'm not interrupted with "I need........". Also, regardless of the reason they are in the shop, I completely...

In need of repainting tanks. (Aluminum and steel) Will sandblast to clean metal. Need recommendation on paint type. Should a primer be used??? Marine grade or epoxy, or what????? Totally in the dark on this. Thanks -- carl

Wondering about the Conshelf regulator series. New to the world of diving, and interested in the purchasing my own. Seriously leaning towards the (Aqua Lung) Conshelf regulator - hopfully a used set, the Titan/Legend series presently out of my price range. Obviously beening new, I'm not...