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I appreciate the info! I will reach out to them.

I am very interested in learning sump diving. I figured someone on here would have some knowledge to share. I am currently Full Cave and want to continue with progressing in 'standard' cave diving. However, I have always been very interested in diving sumps and bringing gear into dry caves...

Where I work we have a rapid mounting system for doubles. It is definitely useful in our case. Our systems are made by tiger gear. Tiger Gear These systems are old. I am not sure if they are really made anymore. One rail is permanently attached to your backplate and the other is attached...

I recently got my Full Cave card. I have done all of my cave diving in Marianna. I am thinking of making a trip further east to see some places I haven’t been. Where should I go for New Years? I am also open to buddying up if someone is looking.

Thanks for the advice.

So the parts to O2 clean an AGD-62 don’t exist? If I could get it for cheap( 500$-1000$) would it still not be cost effective to replumb it as a standard booster pump? Thanks for the help.

I found a used Haskel AGD-62 SCUBAMP for sale. I am thinking about getting it if it is listed cheap enough. I don’t know a lot about booster pumps so I figured id ask here. Is the pump ratio too high to be useful as a standard SCUBA booster pump? With 150 PSI drive gas it is boosting to...

Thanks for the tips. That answers my questions. I have already done sidemount and intro with Dene in Marianna. Unfortunately I moved to Texas so I have to drive much further now :(

I was wondering about this so I decided I would see what others think. I am currently Intro-to-Cave. What experience level do people typically start doing really tight caves. Full cave? Beyond? Where does no-mount diving fit on the cave diving training path? It seems a lot of cave diving...

Hello. I have a Hollis LED15 canister light. The light is ridiculously dim. Almost uselessly dim. It has been this way for awhile. I was looking into the light head and noticed the LED is brown with dark spots on it. I am assuming that the LED got overheated and burnt somehow. Especially...

I was diving the Cavern in Morrison springs the other day and I found a shrimp. It was in the bottom of the cavern eating off of some rocks at the bottom. It was a standard dull grey color and was probably 4-5” long. It didn’t have any big claws or anything to make it stand out. I wasn’t...

It’s stories like this one that makes me paranoid about any regular dive shop touching my stuff.

I didn't know there was a needle... So they burst when the disk expands like a bubble into the needle?

Every tank in the US (that I am aware of) has a burst disk. It is a machined disk that plugs a hole that bypasses the valve. It is used to prevent tanks from exploding from overpressure. The disks are in threaded plugs that go into the valve. I have never seen one go off but I would assume...

Oh... I always assumed test pressure was closer to failure than that. Well now I need someone with a slow motion camera to overfill one to bursting for my entertainment. What about HP steel? Are they built as conservatively as the low pressure ones? Would that mean a HP Steel would fail at...

What is Z factor? That’s the first time I have heard that term. Does anybody know what the failure pressure of a LP tank is? Has anybody ever exploded one to test?

Does anybody actually do that? I’d think anything north of 3800 is starting to approach sketchy territory. That reminds me. The shop I used to buy my LP85s neglected to tell me to “double up” my burst disks. When they pulled them (4 months later) the copper was stretched to half spheres…...

You guys forgot cave filling low pressure steel. Also An OW diver carrying a light anywhere near a Cavern or Cave.

Yeah I'm probably too used to 'techy' UIs. I really like it though.

I'm surprised no one mentioned Subsurface. It is free and Open-Source. Linus Torvalds the creator of linux maintains it. It has a free cloud syncing function. It has an IPhone app that works with shearwater computers. I personally can't compare it to the other divelog software listed...