rust

Wondering if anyone else has ran into this issue: I have 7 Oceanic Geo 4.0 dive computers in use, and all 7 of these units are showing the same signs of rust around the screws. What could be causing this rusting? Background: These units all had annual battery replacements in the last year...

I just took 2 steel tanks in to the shop for VIP (which is now $30 .... ripoff) and the shop says both tanks will need to be tumbled as well, which apparently costs $55/each. That price sounds high, but I've never needed tanks tumbled before. I may do some calling around tomorrow to see prices...

Hi guys, my cylinder has managed to come loose whilst I was driving and ended up rolling about in the back of my car. As a result of this it has collided with other equipment and has ended up with a small amount of damage to the paintwork. Can anyone advise the best way to tidy this up...

I just got a few tanks back from hydro today. Inspired by a recent thread on tank whips and a post recommending phosphoric acid instead by @rjack321 (and confirmed by @rob.mwpropane ), I decided to give it a try. It seems that many people are using the mixture and proportions recommended in...

Titanium is nice and light and corrosion resistant, but it doesn't hold a very good edge due to its softness. On the other hand; stainless doesn't seem so stainless when it comes to ocean water exposure. Why doesn't anyone make a tungsten carbide knife? It's more shatter prone/brittle, but it...

I'm thinking about replacing my 16 year old Dodge Dakota pickup. I'd hope to run it another 10 years and let it slowly rust away, but reliability is starting to be an issue. Since I've become an Instructor, my "dives per year" has increased and so has the rate of oxidation in the tailgate...

I have a tank it’s not galvanized what is the best way to keep the paint from chipping off and rusting every time I dive