The salt water tube is now JBL SOLAR MARIN BLUE T8 also available in 15 watt. The trend towards smaller marine aquariums has considerably increased the demand for this tube size.
The JBL SOLAR MARIN BLUE has a broad actinic spectrum and consequently stimulates the fluoresence of many corals. The visible spectrum appears bluish purple in our eyes. Actinic tubes should always be complemented by daylight tubes such as the JL SOLAR MARIN DAY.