just find some kind of blue filter to put over the light, if its blue, it will only let blue light thru... paint the walls blue too if you must...

blue is only good for vegetative mode... orange is for flowering...
Abattoir Dream Reviewed by Abattoir Dream on . blue spectrum cheaply???????? im wondering if any1 can help me. at the min i an using cfl's and in about the first week of flower (w.widow) i dont see much happening now i no blue spectrum is best?? does any one no if i can use those lights for pets such as turtles and snakes as those pets need to bask in the sun all day and thay are blue spec. it would be a cheap way of achiving blue spectrum as my grow box has limited space and HPS is out of the question please help if you have any info as this is my first grow that i Rating: 5