hygger Aquarium U-V Light with Timer, 360° Protective Shield Light for Green Water and Algae Cleaning with 2 PCS Replacement Bulbs for Freshwater Saltwater Tank (5W for 13-40 Gallon)

After long-term use, the U-V lamp for fish tanks gradually malfunctions due to the lifespan of the bulbs. It is normal for the cleaning effect to be insignificant or for the bulb to stop working. The service life of the bulb is limited. Replacing the bulb with a new one can keep the product in use and enhance the cleaning effect. It is generally recommended to turn on the lights for 4 to 6 hours in winter, once every other day. During the summer when green algae are active, they can be turned on for 4 to 8 hours a day, and then turned on every other day or for 4 hours a day.

• Enhanced Clarity and Health: 254nm wavelength U-V Light treatment. hygger aquarium U-V light for green water and algae clean. Provide a safe environment for your fish. It is the best choice for freshwater and saltwater aquariums to clean water quality.
• 4 Modes Timing and Memory: With a simple press of the power switch, you can select a timer setting of 3H, 6H, 12H, 24H to suit your needs. The light will then automatically manage the on/off cycle, with settings remembered for your convenience.
• Quick Replacement: Original bulbs ensure a perfect fit with existing equipment. Just insert the replacement bulb to complete the replacement.
• Healthy Mode and High Efficiency Mode: Healthy mode (protective shield closed):Place in the fish tank. High efficiency mode ( protective shield open):Place in filter tanks.
• Complete Accessories: The aquarium clean light comes with the accessories you need. The set includes 1x U-V light with timer, 2x Suction cup, 2x Replacement bulbs.