2 Pack 9W UV Light Bulb | Pond, Outdoor Clarifier, Fish Tank, Aquarium

Keep Your Pond & Aquarium Water Pristine with our 9W UV Replacement Bulbs Regular maintenance of your UV clarifier is the secret to a crystal-clear pond. As UV bulbs age, their effectiveness in neutralizing floating algae and decreases—even if they still appear to be glowing. Our 9W G23 Base UV Bulbs provide the reliable performance you need to restore your system's clarity. Technical Specifications: Wattage: 9 Watts Base Type: G23 (2-Pin) Bulb Type: H-Type Twin Tube Length: Standard 9W G23 sizing (Please verify your original bulb length before ordering) Why Choose Our Bulbs? These bulbs are engineered specifically for aquatic environments and designed to fit most common UV clarifier systems. Whether you’re maintaining a 500-gallon outdoor pond or an aquarium, the bulbs deliver consistent UV performance to help you eliminate green water issues once and for all.

• COMPATIBILITY: 9W UV replacement bulbs base type is G23 2-pin base. Compatible with Tetra GreenFree UVC-9, JUP-01, UVE9, CF400, CF500, and UVCP-9 pond clarifiers and aquarium UV systems. Please confirm bulb type and base before purchase
• CRYSTAL CLEAR WATER: 9W UV PL-S9/TUV G23 base replacement light bulb targets green water and floating impurities. Suitable for maintaining a healthy, clear environment in outdoor ponds, fountains, and indoor freshwater or saltwater aquariums
• DURABLE & HIGH OUTPUT: Constructed with premium high-transparency quartz glass for maximum UV penetration. The internal filament is engineered for stable performance and consistent output to ensure your filtration system runs at peak efficiency
• EASY INSTALLATION: Pond UV Light features an easy plug-and-play G23 base. Simply power off your device, remove the old bulb, and snap the new one in-maintenance is completed in seconds without any special tool
• PACKAGE CONTENTS: Includes 2 replacement 9W UV bulbs. Keep one as a ready-to-use spare to prevent system downtime, ensuring your pond or tank stays protected all year round during scheduled replacements
• EFFECTIVE ALGAE CONTROL: UV light technology neutralizes floating algae and harmful in water, helping to maintain optimal water quality and reduce maintenance frequency in both pond and aquarium applications
• STANDARD 9W SPECIFICATIONS: Features H-Type Twin Tube design with standard 9W G23 sizing, engineered specifically for aquatic environments to deliver consistent UV performance for systems up to 500 gallons