10-05-08, 07:58 PM
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Join Date: Nov 2003 Location: High Wycombe, Bucks
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Quote: | Originally Posted by Depth-junkie when i say Hypoxic DIL's im talikng about the likes of 6/65 or 10/52 here, and not the lieks of 18/40 etc.
If you cannot see the need to close of the ADV shallow when running theses types of gas's you are obviously not using these DIL's and inturn not incuring the big deco that you get with dives that warrant these DIL's(off gassing into the loop causing big PO2 swings, lungs inflating by the off gassing during deco followed by the unit adding 02 trying to stabalise the PO2, you venting to maintain min loop vol)
Anyone who has done dives with 3hrs+ deco knows how unstable the loop PO2 is for the 1st 20-30mins of deco @ 6-9m. The last thing you need/want to make the PO2 swings even worse is a inadvertantly fire of the ADV with 6/65 DIL. And as for surface swims etc it speaks for itself.
ATB
Gareth | My gas of choice is 10/70 and I agree completely with Gareth. Also, the only way to get a proper O2 flush is to have the ADV shut off.
Juz
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