Mum's warning to parents over swimwear colours that can't be seen underwater
![Mum's warning to parents over swimwear colours that can't be seen underwater](https://i2-prod.mirror.co.uk/incoming/article33171078.ece/ALTERNATES/s615/0_Boy-in-the-swimming-pool.jpg)
Swimming is one of the great joys of summer, but it turns out a scary amount of parents don't know there are unsafe colours when it comes to picking swimsuits for their children