Summer is winding down, the dock parties are getting one last round of use, and if you've run your underwater green fishing lights hard all season, there's a good chance at least one bulb isn't shining like it used to. That's exactly why we're offering our Labor Day Replacement Bulb Sale: 12% off all underwater replacement bulbs, storewide, for a limited time.

Whether you're closing out the season with one more night of dock-light snook fishing or gearing up for fall crappie and catfish runs, now's the time to replace those dim or fully-blown bulbs before cooler weather sets in.

Why Underwater Fishing Light Bulbs Break Down (And What to Watch For)

Underwater green fishing lights work hard. They're submerged for years, exposed to constant pressure, temperature swings, and whatever the water throws at them. A few common culprits are usually behind bulb failure:

• Corrosion and saltwater exposure. Saltwater is unforgiving on metal contacts and seals. Corrosion buildup is one of the most common reasons a once-bright green light starts dimming or shorting out.
• Impact damage. Bumping the housing against a dock piling, boat hull, or fishing hooks can crack the glass or jar internal wiring loose.
• Sediment and algae buildup. Over a full season, barnicles  and algae can coat the bulbs if they are not properly run keep sediment from building up and reduces light output — sometimes mimicking bulb failure when it's really just buildup.
• Electrical surges. Faulty connections, worn  or knicked powercords, or power fluctuations from a shore power source can overload and blow a bulb well before its expected lifespan.

If your light is dimmer than it used to be, flickering, or has gone dark entirely, it's very likely one or more of these factors at play — and a fresh replacement bulb is often all it takes to get back to full brightness.

Warranty Coverage on Your Underwater Green Fishing Lights

We stand behind our lights because we know what a season on the water puts them through. Every underwater green fishing light we sell includes manufacturer warranty coverage against manufacturer defects in materials and workmanship. If an underwater bulb fails due to a manufacturing defect within the covered warranty period, we'll replace it. Please read our warranty here: https://underwatergreenfishinglights.com/pages/warranty-information

A few things to keep in mind so your warranty stays valid:

• Keep your receipt or order confirmation to assist in replacing the correct size bulb. 
• Follow the recommended depth rating and handling guidelines for your specific model.
• Routine wear items like bulbs used well beyond their rated hours, or damage from impact or weather, misuse, or unauthorized modification, generally fall outside standard warranty coverage — which is exactly why a discounted replacement bulb sale like this one is such a good opportunity to stock up.

If you're not sure whether your bulb issue is a warranty claim or simply a replacement need, reach out to our team — we're happy to help you figure out the fastest path to getting your lights back in the water.

The Labor Day Replacement Bulb Sale: 12% Off Everything

For a limited time, take 12% off all underwater replacement bulbs in our catalog — every wattage, every housing size, every green light bulb we carry for docks, boats, and permanent underwater fishing light setups. It's the perfect time to:

• Replace bulbs that dimmed or died
• Grab a spare bulb or two so you're never caught off guard mid-season
  

Stock tends to move fast during sale events and prior to holidays, especially in popular wattages, so if you know your light is on its last legs, now's the time.

use code: RBO12 at checkout

Making the Most of the Last Weeks of Summer

Before the days get shorter, there's still plenty of season left to enjoy. Labor Day weekend is prime time for:

• One last dock party under the lights. Fresh, bright underwater green lights aren't just for fishing — they set the mood for a waterfront gathering, drawing baitfish and curious eyes alike as the sun goes down.
• Late-summer night fishing. Snook, trout, and crappie activity often picks up around bright, well-lit water as summer starts to fade, making this one of the best windows of the year to fish after dark.
• Football season kickoff watch parties. With college football and the NFL preseason wrapping up, a deck or waterfront watch party paired with a little après-game night fishing is a Labor Day tradition for a lot of our customers. Bright, reliable underwater lighting means the party — and the fishing — doesn't have to stop when the game does.

Getting Ready for Fall Fishing and Hunting Season

Labor Day is more than a last hurrah for summer — it's the unofficial starting line for fall. As water temperatures start to drop, fish behavior shifts, and so does the gear you'll want ready to go:

• Check and replace worn bulbs now, before shorter days mean more of your fishing happens after dark.
• Inspect cords, housings, and seals for any wear from a hard summer of use.
• Stock spare bulbs so a sudden failure doesn't cut a fall fishing trip short.
• Coordinate your dock lighting with hunting season prep, since many of our customers use the same Labor Day weekend to get boats, blinds, and gear squared away for the months ahead.

A little maintenance now means your underwater lights are ready the moment fall fishing heats up.

Frequently Asked Questions

How often should I replace my underwater fishing light bulb?  Most bulbs benefit from inspection every season and replacement whenever you notice dimming, flickering, or reduced brightness. ***Dim lights could be caused by a capacitor needing to be replaced. Good news! We sell capacitors! 

What causes an underwater green fishing light to stop working? The most common causes are: saltwater corrosion, impact damage, sediment buildup, damage to the electrical cord and electrical surges.

Is bulb replacement covered under warranty? Manufacturing defects are covered under our standard 1 year warranty. Note: Warranty does not cover bulb breakage, damage caused by boats, propellers, anchors, fishing hooks, power surges, or natural disasters (hurricanes, floods, lightning, etc.). 

• This warranty covers manufacturer defects in parts only.

• Labor, service fees, and shipping costs are not included.

• Houston/Galveston residents: If service is requested at your home (in our service area), an upfront service fee starting at $99.95 + tax will apply.

• Warranty applies only to the original purchaser with proof of purchase and completed warranty form (see website).

• UWGFL reserves the right to use refurbished or reconditioned parts for warranty repairs.

How long does the Labor Day Replacement Bulb Sale last? The 12% off promotion on all underwater replacement bulbs runs until September 15th.

Do brighter or fresh bulbs actually improve fishing results? Yes — a bright, consistent underwater light attracts baitfish more effectively than a dimming or flickering one, which in turn draws in larger predator fish.

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Don't let a dim light cut your last summer nights — or your first fall trips — short. Shop the Labor Day Replacement Bulb Sale now and save 12% on all underwater replacement bulbs, storewide.