The RNLI is again warning people not to treat weever fish and jellyfish stings with urine.
The urban myth continues, even though the treatment is actually hot water.
The warning comes ahead of the summer holidays.
Sex offenders 'facing a lack of rehab and monitoring'
BBC South West Home Affairs correspondent
A child sex offender who’s recently been released from prison and is looking to find a home in the South West, says chaotic living arrangements and a lack of help have increased the risk of him reoffending.
There are also concerns about the level of monitoring by the police.
A freedom of information request by the BBC revealed that each specialist officer in Devon and Cornwall has been assigned 60 sex offenders - when national guidance recommends a maximum of 50.
Diane Wills is from the South West charity, Circles...
The government says it's spending £6m helping vulnerable former prisoners find stable accommodation.
Devon and Cornwall weather: Dry and sunny with showers
A Devon couple, who just over a decade ago bought their dream new home for retirement, say they are having to live in temporary accommodation because of what surveyors have called defects with the property.
Maura and Lionel O'Connor, who are in their eighties, say their home has always had problems, but their guarantee has run out and the developer insists it's not to blame.
Major work is being carried out to repair the property funded by insurers, but there are disputes over who is responsible.
The builders and freeholders of the site, McCarthy Contractors South West Limited, strongly deny they're to blame, saying they complied with every building and planning requirement, and are an award winning family company that takes pride in its workmanship.
Devon and Cornwall weather: Dry with sunny spells
It will be a dry day and, although a little cloudy at times, there will be some longer sunny spells developing.
Light or moderate northwesterly winds will be fresher at times towards the north coast and the far west.
Josh Clark collapsed with seizures after contracting meningitis five years ago.
His mother, Nicola Clark, said she was told the nearest ambulance was almost half an hour away, but firefighters from Woolacombe, trained as co-responders, attended within minutes and provided oxygen that could have prevented severe brain damage.
I feel that, without their response, areas like this don't have a chance."
A public consultation into the controversial proposals has started, which sees seven stations in Devon and one in Somerset earmarked for complete closure, while another eight could lose one of their engines.
The service said it wanted to bring an outdated service into the 21st Century and fire incidents in both areas had decreased 36% between 2008 and 2018.
South Western Ambulance Service said it was aware of the proposals but that it had "no concerns about the provision of fire co-responders, and will continue to maintain a high level of community response".