Description T5 Four Pin UV-C Germicidal Lamp, Greenwater or single cell algae problems can be eradicated using a UV light clarifier in your water garden pond. Germicidal UV- C Bulbs are short for Ultra Violet Clarifiers also known in the pond hobby as ultra violet sterilizers. There are three bands of ultra violet light classification A , B C. Germicidal lamps for pond UV systems are 253nm and classed as C. The longer the pond water stays in the UV light field will only add to the effectiveness of sterilizing the water. Always ensure that the quartz glass is kept free of algae, to help stop the light becoming ineffective. Bulb lengths: 10w – 8.75” (222mm) Suitable for Danner Pond Master ( Slit in Base) 11w – 8.75” (222mm) Suitable for Hagen Laguna 20w – 14.5” (368.3mm) Suitable For Danner Pond Master/Aqua Ultra Violet/Aquatop 25w – 17.4″ (290mm) Suitable For Aqua Ultraviolet/ Emperor/Hagen Laguna/Pentair/Savio 40w – 20” (508mm) Suitable For Danner Pondmaster (slit in base) 40w – 33” (850.9mm) Suitable for Aqua Ultraviolet/Current USA/Emperor 57w – 17.5” (444.5mm) Suitable for Aqua Ultraviolet/Emperor 80w – 33.5” (850.9mm) Suitable for Emperor/ Matala T5 Four Pin One End UV-C Germicidal Lamp contains a very small amount of mercury which with the gas inside the lamp emit the bacteria killing light. Never look directly at a UV lamp when it is on as will damage your eyes. The effective life of a replacement UV lamp is approx 8000 hours, after this point it will seem to be working but in fact the effectiveness of the lamp will be decreasing and needs to be changed. Changing a bulb twice annually will usually be good enough to maintain the filter light unit. Visit PondH2o’s information center for our Pond Blog on the proper way to install a water garden koi fish pond! Remember to check our Facebook page often for latest coupons and news.
