Most people who buy these for drainage in their aquaponic beds buy large 1" baffles, but I bought the 1/2" baffle because I already had the materials on hand. Since I wanted to use 1/2" tubing for my plumbing and bus pans for my beds, I didn't need more than 1/2" tubing. I have already added a baffle to the bus tanks and installed a bell siphon, as you can see in the photos. I have already tested the drainage system for the tub beds and it worked perfectly as it could drain the tub faster than it could fill it. I can't wait for the rest of the materials, I still have to get the aquaponics system. works and works, but everything costs money and I'm doing it little by little as I have extra funds. My first impression of these bulkheads was that they are made from very strong plastic, the threads were nice and clean and they come with a good rubber grommet. And during the test run of my build, I was glad there were no leaks. "Plus: Well made and does what it's supposed to do. Cons: Currently none.
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