Thanks for the quick reply. So, worse case scenario, it's an ashai tank. How much would it be worth then? I'm still a new diver, so I'm not stressing the details yet. I'm just looking for a larger capacity.
I'm just not a fan of th Ashai tanks.... (that's just me, but other folks might agree).
so since I'm not a fan of them, I'd prob stop short of $75 and offer $50 (since you've got to spend at least $40 getting it back in service).
(Note: this is assuming that they are Ashai (or Asahi if I spelled it wrong) tanks in the first place. If it's a Worthington, it's worth more used. the newer Fabers are good used, but I'm a little less enthusiast about the older ones... (again that's just me, but I'm sure others might agree). It could be an OMS (which I think is re-labeled Faber or a PST tanks also).
If it's an Asahi, you could easily sell it here for $100 to $150 after you get it serviced though... (maybe a little more, especially on ebay).
so... can you get the numbers off the side of the tank so we can help you identify it?
if it's an Asahi then they will look like this:
DOT-E12079-3500 TP5250 SPUN JAPAN
EKHR-16604 M7901 its 1-01 GENESIS ST 100
The easiest way to identify the above tank as an Asahi is that it's a Genesis (which is same as Sherwood) and the words SPUN JAPAN, which indicates it's a SPUN steel cylinder which Asahi makes in Japan.
Genesis and Sherwood also re-labeled and sold PST tanks. So this could be a PST tank also....
For comparision, you can buy a new Worthington HP100 for $345 (list price) and maybe a little more with some undisclosed discounts. Faber FX100's run $259 when they are on sale at Divers Direct, which is about every 3-6 months, or about $350 normal price.
Also things to take into comparison is the weight and buoyance characteristics of the tanks and also the known issues with finnishes or rusting....
The Asahi tanks are much heavier and also more negative than say a Worthington and reports of more rusting issues with them.
Here are some threads that you might find worth reading if these tanks for sale are Asahi.
First off note that Asahi's DOT Exemption expires in Feb 2010. So unless they get it renewed, which they likely will do, you've got a 100cf paper-weight. That's less than 2 years from now....
http://hazmat.dot.gov/sp_app/special_permits/docs/12000/SP12079.pdf (note this is for Asahai E 12079 tanks)
Here are some other threads.
http://www.scubaboard.com/forums/ta...uld-i-buy-these-japanese-asahi-120-tanks.html
http://www.scubaboard.com/forums/ta...-pst-worthington-asahi-what-am-i-getting.html
http://www.scubaboard.com/forums/tanks-valves-bands/249496-sherwood-vs-worthington-steel-tanks.html
http://www.scubaboard.com/forums/tanks-valves-bands/225374-another-steel-tank-question-genesis.html
For more threads, just put Asahi or Ashai (as it's often mispelled) into the search engine here....
Hope this is all helpful. Get the numbers off those tanks and that will tell you a lot. (or post them here and others will help you tell what they are).
-mike