I fish the hurds deep on a regular basis, however an alarming algae bloom has developed off the north west coast of guernsey, It is approximately 50 square miles and its northern edges are approximately 35 miles south of lizard point. It is so dense that you can not see further than 4 cm and appears to be browny yellow, at lttle like poo you might find in a baby's nappy. Does anybody know how deep this bloom goes to and what impact on cutting out the light to the sea bed some 120 m below? Does it kill fish at that depth. It has been sitting over this area for nearly three weeks and is still there.