Children swimming in outdoor pools have reportedly been 'turning blue'.
In an attempt to cool down and escape the 30C heat, families have been visiting outdoor swimming pools.
But some have complained that their children's legs, trunks and swimming costumes have been dyed a strange hue.
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According to North Wales Live, angry parents have complained to Conwy council as blue paint used at pools in Llandudno, Llanfairfechan and Rhos-on-Sea is melting in the heat.
Bryan Mantle was one of the first to raise the issue after he took three children to Llanfairfechan Paddling Pool, which is maintained by Conwy Council and they all left with stained clothes.
His post received more than 100 likes and engagements.
Mr Mantle wrote: "Just to warn everyone that the council have decided to use a cheap paint on the local outdoor paddling pool in Llanfairfechan.
"So if your kids go in expect them to come out covered in blue paint, well done CCBC"
Mr Mantle's son's leg was also covered in paint from the pool.
A woman wrote that her daughter "came out blue".
While another woman said her child's foot was covered in blue paint.
A spokesperson for Conwy County Council said: "Leisure Services have been made aware of the comments and they’ve arranged for the facilities management team to visit the sites and look into the matter further."
