seawater

When you leave the beach rinse any sand and seawater off their coat and paws with tap water to stop it causing any irritation.

McCaffrey’s agency is one of several that are also considering seawater desalination.

Mr Dorn said that before leaving their home, he had moved his electronics up to their loft, hoping that even if seawater penetrates the building it would not reach the rafters.

Mary died aged 10 from hepatitis, contracted from polluted seawater.

Harmful bacteria and algae can often spread more easily in warmer seawater, which isn't treated with cleaning chemicals like your local pool.