And if you read my entire responce, you'd see i gave advive learned from 50 years of experince.
Your rediculous solution simply defeats the purpose of using a daylight tank... WHY??? Duh hugh?
So why are you having such problems?... Might stem from your lack of reading comprehention, no common sense, or you've been watching too much television.
BTW that photo of the pines is really beautiful.... Nice job