You must mean SDI (the rec diving arm. TDI is the tech diving arm).
Did your GF do the 5 dive sampler platter or the 4 separate specialties. I recently did my SDI Advanced Diver course - 4 separate specialties. I learned a lot. Did my 60th dive today. Can't imagine doing only one dive for each area.
Ah yes of course, SDI not TDI...
She also did the 4 specialities (Wreck, Navigation, Deep, Buoyancy) and definitely came out as a better more confident diver... now with a taste for wreck diving!
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