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an LP 77 rated at 2640 if filled to 3000 psi would yield 87.5 cf

im just curious does a lds that sells a particular product line required to service that line . for instance if i were to buy say a zeagle reg from from an authorized online store and then want my annual done by my lds that carries that line. doesnt the manufacturer dictate the sevicing of their...

has anyone bought a hp( 3442 psi) tank only to find your local dive shop cant fill it to the rated pressure? so in order for me to get 100cf or close i have to buy a hp 120 and also am i more likely NOT to get a hot fill with 3000psi in my rated 3442 tank due to less heat buildup due to not...

im just curious if breathing 100% o2 on your safety stop after a non decompression dive would benefit u? if so how? seems like it would.

im just curious how many states have adopted not to inspect or fill pre 1989 aluminum tanks? i know my home state of texas will still hydro/vip and fill these tanks. however recently i tried to fill some of these older type tanks in the florida keys and was denied. is this policy state mandated...

Ive Recently Purchased A Zx-dsv Reg And Since The First Few Dives Is Has A Slight Freeflow (hissing) . The Manual Says It Could Be Possible To Have This And To Make A Slight Adj. To The Resistance Knob To Stop It. Well After The First Breath Underwater I Will Adj Slightly To Stop It. After The...

i went from a known 91 degree water into a themocline of known 65 degree for 3 minutes and my temp only read 79 degrees i would say it takes considerably longer

i understand that the temp readings on the atmos 2 or any other dive computer are not instantaneous and need time to register changing temperatures. however i would like to know how long it typically takes to register a 10 degree change? a 20 degree change?

i will going to the mayan riviera and diving the cenotes with hiddenworlds in sept. the cenotes are my main objective this trip but would like to know if there is any shore diving easily accessible anywhere along the coastline. will have a car so distance from cenotes wont be an issue. doesnt...