HI GUYS BEEN USING WATER HOUSING FOR SOME TIME, THE GOPROS ARE NEW TO ME BUT I HAVE FOUND THE LITTLE STRIPS YOU CAN BUY WORK WELL, SO DOES THE LITTLE "DO NOT EAT PACKETS" PUT THEM IN THE OVEN AT 50 DEGREES FOR ABOUT 20 MIN (PLEASE WATCH IT AT ALL TIMES UNTILL YOU HAVE DONE IT A FEW TIMES) THIS DRYS OUT THE PACKETS THEN SLIP THEM IN. LIKE THE OTHER GUY SAID MAKE SURE THEY ARE NOT IN THE O-RING. ALSO ANOTHER TIP WHEN RIDING POINT BREAKS A SMALL WET WASHER (VERY SMALL TOWEL) PLACE OVER THE TOP WHEN PADDLING OUT THE BACK THEN TAKE IT OFF WHEN YOUR OUT THE BACK. ITS A BIT OF A HASSLE BUT GIVES GREAT RESULTS!!!! SEE HERE....