New Zealand's Olympic sailors have been trialling various options to try and overcome the weed problem still plaguing the yachting venue in Qingdao.
The 470s coach Nathan Handley, who's just returned from China, says much of the choking weed which arrived a month ago was cleared by 10,000 workers late last week, but a storm in the past few days has brought it back.
During one training session the crew sailed downwind with their rudder and their centre board up, to try to deal with the weed.
Another solution they trialled was a weed stick of sorts to clear the weed as they sail through it.
Handley says they're back up there next week but along with sea fog the weed looks like it's still going to be a problem.
