I currently have a 29gal biocube set up. I am asking, if anyone has one and if so, how would I go about adding red light? Or I have also read on here about red film to make a light appear red. Where would I purchase such a product? I spoke to the LFS and he was interesting to say the least. He told me to run blue lights all day and the low lights at night, and also informed me that a 10 gal would be suitable. I know on this site that all of this seems to not hold true! But this is the advice I got from him. And one more question, what is the longest anyone on this page has kept an octopus alive? This man said that his lived for 4 years! Quite remarkable!