bullhead 0 Report post Posted August 1, 2019 If you have not done so already, Harbor freight sells a UV flash light that works great. costs around eight bucks. Quote Share this post Link to post Share on other sites
FishnPhil 0 Report post Posted August 1, 2019 This one is $3.41 on Amazon. I believe it was recommended repeatedly on this forum which is how I found it. It works great for me. https://www.amazon.com/gp/product/B016X0U6LS/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Quote Share this post Link to post Share on other sites