hello everyone i m new to spearfishing just got into it i live in south florida a friend got me into it about a year ago then i saw a video on blue water hunting and well what can i said... HOOKED I use to hunt on land but i live in wrong state for so i swicthed over. i am looking forward to making new friend in the sport and maybe some feed back to try keep from buying silly stuff that i would not need... for exsample i am looking at a power head (i will not & do not want to hunt with it just want it for safty)i have found a limited use power head and am trying to see any info on it ..... and yes i heard that sharks don't hunt people but i know that would feel very if not alot more at peace knowing that i have one on me in case best to have and not need then to need and not have 