what is the cost of the of the diodes vs the cost of tubes?
a couple months ago i went hunting for the right nm spectrum of light for UVB LED’s and found some diodes but were in the 90-150$ ranger per diode.
what is the cost of the of the diodes vs the cost of tubes?
a couple months ago i went hunting for the right nm spectrum of light for UVB LED’s and found some diodes but were in the 90-150$ ranger per diode.