| T5 fluorescent tubes should be replaced regularly, not just when they are defective. There are 5 different JBL T5 fluorescent tubes available for freshwater and saltwater. T5 fluorescent tubes from JBL with a diameter of 16 mm offer more power than conventional T8 lighting technology with the same overall length. There are also sizes outside the standard especially for Juwel aquariums with T5 lighting. If you already have experience with JBL fluorescent lamps, you will find the same light colors in the T5 range as with the older T8 tubes with a diameter of 26 mm. For freshwater aquariums, there are fluorescent lamps with a daylight spectrum, special lamps for plant growth and lamps with a tropical spectrum. Fluorescent lamps with daylight and lamps with blue light are selected for marine aquariums. BL T5 fluorescent tubes are particularly bright tubes for freshwater and seawater aquariums. Also for Juwel aquariums with T5 lighting. Optimum light! | 
