Uv Ultraviolet Bulbs & Spares

koi uv,pond uv,ultra violet,filter uv
Although maintenance is minimal all UV lamps need replacing at six monthly intervals. The lamp may be illuminated and appear to be working but the radiation dosage diminishes with age and is ineffective after six months. Dispose of used lamps sensibly. Even exhausted lamps should NEVER be looked at directly when illuminated.
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