Here is the UV light source that I have suggested in action.
UV Light Source - THE NEW 2020 MODEL - Everbeam 365nm 50W UV LED Black Light - High Performance LED Bulbs, IP66 Waterproof: https://www.amazon.ca/gp/product/B08635F9CX/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1