It won't be "harmful". I'm not sure if the spectrum of red is right or not, watch your snake and see.
Since I use a white bulb as part of my habitat heating for ambient I matched the wattage in an incandescent infrared and just set it a bit higher to let the temp drop a couple degrees while allowing me to watch my snakes cruise their terrarium especially the nights before feeding days.
It won't be "harmful". I'm not sure if the spectrum of red is right or not, watch your snake and see.
Since I use a white bulb as part of my habitat heating for ambient I matched the wattage in an incandescent infrared and just set it a bit higher to let the temp drop a couple degrees while allowing me to watch my snakes cruise their terrarium especially the nights before feeding days.
If you are wanting it to help heat the cage it isn't going to do much. For night viewing it probably is going to be too bright. Overall I would just return it.
a red compact fluorescent sounds quite bright. sounds like what certain people use to give the whole room a certain red shine.... must have been awkward for your GF to buy it
i mean, even small CFLs give off a lot of light, and for a small habitat it may be too much. also they get so hot that you can barely touch them.
i would scale it down one or two orders of magnitude and go for a nice red LED, a 0.1 to 0.5 watt LED should be enough for you to see whats going on in the enclosure.
if you are not a hardware hacker that can work with a single LED, you can cheaply get some USB lamps, for reading or to illuminate the area around the laptop. and you can cheaply get a power supply adapter that gives you some powered USB slots. Basically with USB you can set up a tiny little secondary 5 volt grid which can be useful for some smallscale silent ventilation or some lights.
OMG i think i just found a new purpose for USB coffe mug warmers an alternative way to keep your snakes warm in case of a power outage..... via laptop.