power head

Hi I am new and setting up my first 90 gallon planted tank. I keep searching for an for the right answer but they seem to be all over the place with size. Can someone help me with sizing the power head for this setup detailed in the attached sketch . I plan to have Rainbows(8), Serpae Tetras(5)...

I am setting up a tank (50 gallons or so). I have an Ehiem Professional 2 which will generate decent flow but I want to kick it up a notch. All my hardware for my tank is glass (ADA lily pipes and diffuser) so naturally any ordinary power head or wave maker will really stand out. Has anyone ever...

Hi folks, I know I need more circulation in my 37 gallon planted tank (36 L x 15 W x 16H) apart from the Ehiem 2211 cannister filter with its spray bar. I just want to make sure I get the right one for my tank size - not too weak but not too powerful to stress my fish or plants. What rate...