How to check if an UV sterilizer is working?
Paramount Sanitization Ultra UV2 Sanitizer System Parts & Accessories
Pool & Spa Equipment
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Open Mar 10, 2026 - 01:56 PM
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Answer
Mar 10, 2026 - 01:56 PM
To check if a UV sterilizer is working, look for a faint blue or purple glow from the UV bulb (without staring directly at it). Additionally, you can use a UV test card or sticker, which changes color when exposed to UV-C light, to confirm the bulb is emitting properly.
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