Dosing volume w/ sump?

[Waxxiemann]

Quick Newbie question.

If my display is 90 and my sump is 60 should I be dosing for 150 gallons or 90 gallons? I would think 150 but ya never know.

Thanks,
Waxx

 

[Avi]

Yes, it's total water volume you supplement. Here, use this:

http://home.comcast.net/~jdieck1/volcalc.html