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Most commercial T5 fixtures, and almost all commercial LEDs come with a spectrum that I find to be deficient in red. This is especially so for LED fixtures that use purely white diodes. They will have a similar overall spectrum profile as the 6500K plain white LED diode above, which may grow plants ok, but give poor visual saturation & contrast and also is poorer at growing red plants compared to fixtures with higher red spectrum in their profile. As a general rule of thumb we suggest you spend as much on your lighting you spend on your aquarium!

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Most commercial T5 fixtures, and almost all commercial LEDs come with a spectrum that I find to be deficient in red. This is especially so for LED fixtures that use purely white diodes. They will have a similar overall spectrum profile as the 6500K plain white LED diode above, which may grow plants ok, but give poor visual saturation & contrast and also is poorer at growing red plants compared to fixtures with higher red spectrum in their profile. As a general rule of thumb we suggest you spend as much on your lighting you spend on your aquarium! image 1
Most commercial T5 fixtures, and almost all commercial LEDs come with a spectrum that I find to be deficient in red. This is especially so for LED fixtures that use purely white diodes. They will have a similar overall spectrum profile as the 6500K plain white LED diode above, which may grow plants ok, but give poor visual saturation & contrast and also is poorer at growing red plants compared to fixtures with higher red spectrum in their profile. As a general rule of thumb we suggest you spend as much on your lighting you spend on your aquarium! image 2
Most commercial T5 fixtures, and almost all commercial LEDs come with a spectrum that I find to be deficient in red. This is especially so for LED fixtures that use purely white diodes. They will have a similar overall spectrum profile as the 6500K plain white LED diode above, which may grow plants ok, but give poor visual saturation & contrast and also is poorer at growing red plants compared to fixtures with higher red spectrum in their profile. As a general rule of thumb we suggest you spend as much on your lighting you spend on your aquarium! image 3
Aquatic Plants Direct (APD)