Your pool lighting should give you few problems overall. Most incandescent bulbs will burn for 1,000 hours before bulb replacement is necessary. LED bulbs . A pool light bulb should last around 1,000 hours, and its housing can last for decades. There are several options when it comes to replacing your swimming pool . An easy step by step guide on how to replace a swimming pool light bulb. But when the light goes out, repairing or replacing a light in a pool or spa isn't . Power and power source; Light bulb; Gasket around the lens; Wiring to the light . Replacement LED light bulbs in Color or White light - easy to retrofit. Use these bulbs made by J&J Electronics or Pentair to convert your current pool light into an . Amazon.com : Bentolin 120V Color Changing 20w Replacement LED Swimming Pool Light Bulb for Pentair Hayward Light Fixture : Swimming Pool Lighting . Jul 11, 2015 - You may not appreciate pool light until it goes off and you cannot see what's in the dark waters. A typical pool light bulb should last for more . LED pool lights use about 90% less electricity compared to the older incandescent lights. LED bulbs last much longer which reduces your replacement costs . Mar 15, 2008 - I have a Pentair Sam light in my pool that is leaking and filling with water. it still . I would try to dry out the fixture replace the gasket, and bulbs.