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Argon makes a world of difference. You do not need any big tanks for argon either. I use a 0.7 litter 200 bar bottle and that is sufficient even for dives down to 100m. What dictates the size of argon bottle you need is if you have to change depth a lot during the dive. This can bee the case in caves but not often on wrecks. If you do extremely long exposures you will need a bigger tank as well but then we are talking 5 hours or more of in water time. Regarding undergarment i can recommend the DUI G400 which is a thinsulate type B. It is very warm and will even keep you relatively warm even if the suit floods. It will cost you about £250 but it is well worth the money. Norman, Tom wrote: > I would appreciate input on improving warmth with undergarment options in my > dry suit. My 20oz. polar fleece lined woollies work well in the Puget Sound > area most of the year, but temps are down to about 44 degrees now and > despite adding a layer of polypro undies I'm still getting cold. I've looked > at some of the heavier weight/high tech suits, but don't want to shell out > $250 just to discover I stay warm for only a few more minutes. I've also > heard both good and bad about the use of argon. Frankly, I not thrilled > about buying another bottle. I stay quite comfortable in the feet, legs, > arms, and head, experiencing chill mainly in my core area. Thanks in advance > for the advice. > Sincerely, > Tom Norman > account manager > (425)802-7036 > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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