This is posed to those of your home-plumbers who have built your own overflows. I built an overflow out of acrylic, and before I secure it in the tank, I was wondering if there was a way to calculate max flow out of it. More specifically, can you calculate the flwo through a fixed number of specifically sized holes in the acrylic. I currently have 13 holes at 3/8" drilled in the overflow, and need to make sure it will flow enough to keep up with my return pump.
Also, if it matters, the return pump is a MJ1200. Its flow rate is 295 GPH at 0" head. This will be pumping approx. 30" up. I cannot find a flow chart for this pump, however I have seen that with the head height of this, it doesnt lose a lot of flow.
Thanks for the help, full build thread for this frag tank set up will follow in the next week or so. Gotta finish this, and the LED setup. Then the tank should be complete...for now...yeah right!
Also, if it matters, the return pump is a MJ1200. Its flow rate is 295 GPH at 0" head. This will be pumping approx. 30" up. I cannot find a flow chart for this pump, however I have seen that with the head height of this, it doesnt lose a lot of flow.
Thanks for the help, full build thread for this frag tank set up will follow in the next week or so. Gotta finish this, and the LED setup. Then the tank should be complete...for now...yeah right!