Savio 28W High Output UV Replacement Bulb for Ponds up to 1,500 gal A UV bulb loses roughly half its effective output after 9,000 hours with no visible sign it's failing. Your clarifier keeps running, the water stays green, and the filter takes the blame. This genuine Savio 28W high-output replacement bulb restores full UV intensity to your Savio SuperNova clarifier and clears green water in 3 to 7 days. Why High Output Matters Standard replacement bulbs put out less UV energy than the originals they replaced. High-output bulbs match or exceed factory spec, so your clarifier runs at the performance level it was rated for. UV light disrupts algae cell reproduction at the DNA level, causing suspended algae to clump so your filter can pull them out. More output means that process happens faster. Specification Value Wattage 28W Type High Output UV Replacement Base T5F Rated Lifespan 8,000 to 12,000 hours Fits Savio SuperNova UV clarifiers Recommended Pond Size Up to 1,500 gal (5,700 L) Installation Drops into existing Savio SuperNova UV clarifier sockets with no modification. Replace annually or at the first sign of green water returning. Run your clarifier 8 to 12 hours daily and watch clarity improve within a week. Ideal for lightly to moderately stocked koi ponds and water gardens up to 1,500 gal (5,700 L).
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