No problem Duck... easy on that crack, dude
Atapene... tommorow I'll be able to answer it for you. Its time I put on monofin again. I'll test radius swimming, near bottom sprints with puck, and If I'll have enough time, I'll test 25 with puck&mono compared to 25 with puck&black alas. My technique is far from perfect since its been 10 years since my last finswimming session, so any timeings I'll do, will be with large margin on the side of alas, and not mono's. But for refference it will do!