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Strip your rig down and get into a pool.tank regs and bcd and check it. If theres no roll then you can start installung gear and see were your problem lies. My BM rigs are heavy and ive spent more then a few hours figuring out were everything needs to be to stay trimmed they way i want. IE.Spot A may be were you want that cann lite but you may need to add an extra lb opposite to trim out.
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The SeaQuest Black Diamond is really not a good single cylinder BCD. Part of the problem you are experiencing may well be a reflection of the fact that the (manufacturer) stipulated lift is 50lbs - HUGE for a single cylinder. With that much lift capacity, you have a very large air bladder, which seldom fills fully. So, you have a moving air bubble, which can easily explain your symptoms: ’I am encountering problems with it rolling and doesn’t seem to inflate equally (left side more than the right). ’ If you have already purchased this unit, used, find a buyer for it. As a new diver you do not need to be ’fighting’ your equipment, and an oversized air bladder is usually looking for a fight. If you do not own it and are just using it, discard it now.
Find a BCD with 25-30 lbs of lift and you will be just fine for singble cylinder diving, AND you will feel much more in control of the unit, rather than the other way around.
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Doesn’t sound normal. In general I’ve had very good luck with a TUSA back inflate BCD. Only about $260, excellent, good deflator and inflator hose with an orange button, it’s made in a way that it “sticking” is almost impossible (hard to describe), and it has integrated weights with quick release. It also has a good bladder, 2 tank straps, and is comfortable with 2 good pockets and 4 straps in front to put other gear like lights or reels
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I see I am a little late to the party on this one, but since I have the Apeks version of this BCD (Black Ice) I figure I should throw in my two cents. I know this exact problem you’re talking about because I experience it to this day and continue to compensate for it myself. Colliam7 is entirely right about this being a better BCD for diving doubles due to the lift and subsequent size of the bladder required for that lift.
I began noticing when diving with this BCD that I would struggle to stay streamlined and with my front side parallel to the floor, often rolling to one side or the other. To compensate for this requires having your weight well trimmed and distributed, having good buoyancy skills, and great comfort in the water. To compensate I just do a quick roll to the opposite side that I am being pulled to to shift the air pocket in the bladder and redistribute it a bit better. When you do this, you should hear the air shift in the bladder and when you get good at it, this issues tends to not be a worry because it just becomes second nature.
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