Originally Posted by oldred
Better keep an eye on that test date! If you keep refilling the same bottle you may end up with an expired test date and you will be out the expen$e of getting it re-certified before anyone will refill it. That's also another thing all you guys need to watch for if you use your tanks infrequently and they sit around for a long time. When you take one in for an exchange be sure and check the test date stamped in the top of the bottle and make sure it is recent. If it is about to expire and you plan on keeping the bottle for a while have them give you a different one.
around here a test is $10 IIRC