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emeralcrab
Guest
What is the advantage of either or? I know external would not effect temp. as much. I am starting a sump and got everything now except a return pump. Was checking on-line and thought I better see what people opinions are about them. Quietness is a big plus with me also. Thanks to all that help.
210g, with 40g sump, dual flow over flow box.
210g, with 40g sump, dual flow over flow box.