#3720
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From Btrax: I certified and purchased a Hollis Explorer last spring. I have been diving with it ever since. I absolutely love it. I recently went to Dutch with a friend. We did 3 dives. He blew 3 100 tanks of nitro. i was still going on one 40 cu ft bottle and the same scrubber. If you are looking for a rec unit and want to give it a try this is a good one to start on. 15-20 min setup and teardown once you get used to it. It is go or no go and any issues underwater that are above minor call for bail out. Yo...
Although, yes, the Hollis SCR is overall safer & quicker on the set- up, break down & maintenance, it does have many limitations that the Prism does not have. The biggest is, you are limited to the MOD of the drive gas. I do like the idea of the CO2 monitor & wish they could incorporated it into the Prism2. The placement of the counterlungs tend to really change the work of breathing when in certain positions. Yes, they are out of the way in the front, but it does affect work of breathing,... I would (personally) rather put up with the conterlungs in front. I have done a 20 ft, 4 hr dive (the limit of the scrubber) with two 23 cuft bottles (air & Oxygen). Both were started at 2000 psi & I finished the dive with 500 psi in the O2 bottle & still had 1700 psi in the air diluent. On shallow dives, CCR’s are not very efficient & use much more Oxygen. I agree the Explorer may be a better choice for the recreational diver,... but the Prism is much better suited for the technical diver.
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