Gear: Scuba - Second Hand BCD Self inflating

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I have just finished washing and putting my dive gear away following another day of double fun dives on the South Coast of NSW. For me this was dive 18 & 19.

Fresh from my tropical dives of Phi Phi Island in Thailand (and admittedly filled with false bravado), I kitted up just before the first dive as I have always done.

As with most of our club fun dives, today we were entering from the rocks so I added air to my Buoyancy Control Device (BCD) and entered the water with the rest of the group. After the usual awkward aqua-aerobics that is putting on your fins in a slightly surging wave group we pushed away from the rocks to the decent point. My BCD was making a funny sound and I thought “hmm maybe I have an air leak from an air hose”, I had my buddy check and she confirmed there was no visible air leak.

As we descended, my buddies started slowly sinking as they should but I could not go below one metre. I was weighted the same as other successful dives but was unsure why I could not drop down to the bottom at 7m. Luckily one of the Dive Masters (DMs) for the club dive was on hand and clipped an extra weight to me.

After getting down with my buddy we set off on exploring the underwater landscape - my video from Australia Day 2015 is shot at the same spot


I noticed my buoyancy was not very stable - all in one direction - UP. It was at that point I realised what the funny sound was on the surface - the safety valve on my BCD letting air out as it had over inflated. I know I only put a squirt or two in prior to entry and now the BDC was continuing to self inflate while diving - slowly but still inflating. to top this off my DIY Dive Tray was beginning to loosen and the camera and light set up was wobbling. I could not let go of it for fear of losing both GoPro and my brand new Knog Qudos Dive light. Review coming soon.

 

This dive was rapidly turning into a cluster. I was not in any immediate danger due to the relatively shallow depths - however I did need to continuously dump air from my slowly inflating BCD.

At the 35 minute mark I pulled the pin. I was not enjoying myself, so knew it was time to end the dive. I indicated my intentions to my buddy and the DM and up I went - metres from the accent point - perfect.

I still managed to record a great clip of a sleepy Port Jackson Shark snoozing on the sandy bottom.


The second dive was much easier as the issue was known, after the dives I discussed the issue with the DMs and they indicated that one solution would have been to disconnect the low pressure inflator hose and manually inflate the BCD with my mouth - all stuff every PADI diver is trained to do - I didn’t know I could disconnect it underwater - I know now for next time!

I will however be taking my BCD in for a service soon to fix the problem.