In a diesel fuel tank aboard your boat, what causes diesel algae or bacteria to bloom?
Send your answers to cruisingcompass@bwsailing.com. A winner will be selected randomly from the correct answers and will win a one-year subscription to the digital version of Blue Water Sailing magazine.
Congratulations to Simon Connelly of Cork, Ireland, who correctly answered last week’s Mindbender. “Dead reckoning really stands for deduced reckoning and not the demise of navigation.”
