How much power $$$$ do tanks cost us

[reefersnob]

My 20g added 25-30 dollars a month and the new 28g added 30-35.

 

[chrismhaase]

Are you guys just talking about electric or are you also considering water usage as well? Just think of all that wasted RODI waste....

 

[mflamb]

???Wasted RO/DI water...what is that. I'm plumbing my RO/DI "waste water" into the swimming pool and rose garden. No waste here!!!