There are many ways to skin a cat or in this case get the poop out of your fish tank (FT). Here is how we make ours for our full size IBC (Intermediate Bulk Container) FTs. We wanted a true family size AP (Aquaponics) system so we went with five full size IBCs for our fish…

I have a portion of my bypass water going to the SS heater coil in my woodstove and since it goes high above the rest of the system in order to clear a doorway I ran into some issues. All goes according to plan once I force the water up and over. However if there is a power interruption either by me or the power lines I immediately loose the prime and the coil is emptied and soon overheats and melts the pvc fittings.

So what I needed was a check valve that would not create any back…