“Pentair formerly Emperor Aquatics [is] the best. Many are uv lights wishing to be a sterilizer when they grow up.”
Community consensus strongly advises against buying generic "unbranded" bulbs from marketplaces like eBay, as they are often reported to be ineffective or even scams. where to buy uv bulbs
: Never look directly at a lit germicidal UV bulb, as UVC radiation can cause severe eye and skin damage. “Pentair formerly Emperor Aquatics [is] the best