• A smartphone with a flashlight
  • Clear scotch tape
  • A blue Sharpie
  • A purple Sharpie
Our Diply phone hacks team knows the importance of avoiding hotel fluids, so they put together an awesome video that will walk you through making your very own iPhone black light.Don't worry, you don't need to be an actual MacGyver to do this hack. You don't even need to be a MacGruber. This nifty little trick is so easy that literally anyone could do it. So let's get started!
  • Step 1: Place a layer of scotch tape over your phone's flashlight (it's smart to leave a tab of tape up and folded over so that you can easily peel the tape off later)
  • Step 2: Use your blue sharpie to thoroughly cover the tape over your flashlight.
  • Step 3: Add another of layer of tape
  • Step 4: Now add a layer of purple with your other Sharpie
  • That's all there is to it! Now go make your own black light and start sending secret messages to your friends with hidden glow ink! Or, you know, start exploring your surroundings for various gross things that light up under a black light.