hygger Aquarium U-V Light with Timer, 360 degrees Protective Shield Clean Light for Green Water and Algae Clean, Mini Algae Control Lamp for Freshwater and Saltwater Tank (5W for 13-40 Gallon)

• 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. • Safety Shield Feature: To protect you and your fish, our compact lighting units are fitted with a 360° protective shield, ensuring a safe environment. • 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 and Reliable: The aquarium clean light comes with the accessories you need. The set includes 1x U-V light with timer, 2x Suction cup, 1x User manual. If need compatible replacement bulbs (sold separately), choose HG245 model, designed to fit perfectly with this item. Product maintenance suggestions:

Initial Water Clearing: Run 24 hours continuously for 3-7 days to Clean green water
Maintenance Mode: Switch to 3-12 hours daily after water clears
Weekly Tasks:
Visual Check: Look through the viewing window to ensure bulb is operating
Water Quality: Monitor for any return of cloudiness or green tint Monthly Maintenance:
External Cleaning: Wipe down the outer housing
Flow Check: Ensure proper water circulation through the unit
Timer Function: Test different timer settings to verify operation
Quarterly Care (Every 3 Months):
Deep Clean: Disassemble unit and carefully clean the quartz glass sleeve
Performance Assessment: Evaluate water clarity effectiveness Annual Service:
Bulb Replacement: Replace UV bulb every 6-12 months depending on usage
Complete Inspection: Check all components including clamps and suction cups
Bulb Replacement Recommendation: We recommend you use the hygger HG245 model bulb, which can perfectly match the bulb part of the HG191 lamp