Is it possible for window blinds to affect goldfish? This is an unusual question, but below is a rather interesting story about the effect of blinds on goldfish!
Background to the goldfish story
A client of mine had installed some blinds across the windows in their lounge in order to protect their furnishings from damage due to harmful UV rays. Near one of the windows they kept some goldfish in a large round bowl.
As they were going abroad for two weeks they decided to extend the blinds to the floor in order to minimise UV damage whilst they were away. They asked a neighbour to pop in regularly to feed the goldfish and to check that everything was okay in the home.
The effect of the window blinds
On their return from holiday, the family found that their goldfish had turned white. They thought it was their neighbour’s fault – perhaps the fish had not been fed in the correct way.
What had actually happened was that as the window blinds were so powerful at blocking UV rays, and as goldfish need UV light to produce the gold colouration on their bodies, they had simply lost their colour!
Once the blinds were retracted and the goldfish were able to bathe in UV light again, their beautiful gold colour soon returned.
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