I've forgotten, what are you using for lights otherwise?
Where has he settled in now? Last picture I saw of him he was sort of in the middle. Can you share an updated shot so I can live vicariously through your pictures?
(What colour is his base BTW? The one I had, was a tan base but the most brilliant yellow of tentacles. Banana yellow. Have I mentioned yet I regret selling him? .. sigh. I have 2 carpets and 2 roses right now though and that's rather enough of a load as it is).