 "VHO Actinic")
A great light for invertebrates and plants because the spectral energy distribution emitted by this bulb closely aligns with that of the blue chlorophyll absorption peak achieved on photosynthesis. 100% blue spectrum with a maximum peak at 420nm. Easy to recognize gold end-caps. T-12 (1-1/2"diameter) fluorescent lamp for use with VHO (Very High Output) aquarium light fixtures. | ||||||
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