Neon yellow dye is to be put in a lido to help check for leaks which need repairing. A non-toxic and biodegradable dye called Fluorescein is set to be used by workmen at Tinside Lido, which overlooks ...
The water of the popular Tinside Lido is about to be turned bright green. Plymouth City Council will be putting a non-toxic dye in the pool to trace leaks as part of exploratory work.