Blue=6500K=veg and Red=2200K=flower,Great job man and a +rep for the hard effort and explanation too.
Maybe just after the final siliconing you could add extra protection by cutting lil 1-2" lengths of larger diameter PVC and then just cut a lil piece out so its a slightly open C shape and clip them over the exposed electrical connections for added protection,the silicone would hold it with the added spring effect of the C.
