WATER ACTIVATED NIGHT DIVE TANK LIGHTS // Deep Water Happy

• Trident or Innovative New Water Activated Marker Light: https://amzn.to/2JM223I – 3 ounces but lasts 500 hours, eliminating 497 ounces!

• Cyalume ChemLights: https://amzn.to/2Y11goH – 1 ounce each – 10 equal 10 ounces.