Warren, I don't think that Apex control module would do well inside the cabinet. I had my shorted out and made the whole house smelled like burnt electronics. Wife was not thrilled. Just a thought.
BTW, the Vancouver island reefers has unanimously voted your sump to be the sump of the year on their facebook page.
![#Smile_colors](images/smilies/new_smilie_colors1.gif)
The request they had is to change your cabinet doors to ultra clear glass instead.
![#mrgreen](images/smilies/icon_mrgreen.gif)
I personally think it is a great idea.