: Never look directly at a lit germicidal UV bulb, as UVC radiation can cause severe eye and skin damage.
: Purchasing directly from Express Water or Guardian Technologies ensures you receive genuine parts that maintain your device's performance. where to buy uv bulbs
Facebook · Watergardening and Koi/Goldfish Ponds · 3 weeks ago Shopping Tips for UV Bulbs : Never look directly at a lit germicidal
: Most UVC bulbs for water and air sterilization lose effectiveness after 8,000–9,000 hours (about one year), even if they still appear to be lit. 000 hours (about one year)
Community consensus strongly advises against buying generic "unbranded" bulbs from marketplaces like eBay, as they are often reported to be ineffective or even scams.
“The best 55w UV bulbs are jointly Phillips and Osram... I have two 55 watt UVs and only buy Philips bulbs now after buying cheaper ones that were crap.” Koi Forum UK · 5 years ago