Tetra Pond UV Replacement Bulb, 18-watt

Tetra Pond UV Replacement Bulb. UV light kills suspended green algae, preventing it from taking over your pond. Tetra Pond 5 Watt UV Replacement Bulbs are high-efficiency bulbs that work with Bio-Active Pressure Filters with UV and TetraPond UV Clarifiers to remove algae blooms within 5 days and keep your pond algae-free. They have an 8,000-hour lifetime and will effectively kill algae for up to 11 months.

Key Benefits:

• Powerful UV clarifier keeps pond water clean and "green free"
• UV light effectively destroys unsightly green pond water algae
• Enjoy crystal clear pond water with minimal effort and maintenance
• Replace after 11 months for optimal effectiveness
• For all TetraPond UV Clarifiers