DIY plans for Coil Denitrator

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Step 5 (you need 2 people for this part.)
I then put the flange on the ground so that the 3 foot PVC was straight up and down.
I then removed the tape off the end of the top of the airline tube.
ENSURE THAT YOU HOLD ONTO THE END OR ELSE THE TUBING WILL START UNRAVELING.
One person then need to start basically pulling out the 4 foot piece of 1.5 inch pvc out of the 3 inch pvc while pushing down on the airline tubing.
What you are doing is basically pushing the bottom end of the tubing off the pvc into the bottom of the 3 inch pvc.
as you pull more and more of the 4 foot piece out, more and more of the air tubing should be coming off of the 1.5 inch PVC and lining the inside of the 3 inch PVC as it goes up.
At the same time, the other person needs to be putting the bacteria media down the end of the tube so that it end ups in the bottom of the big PVC pipe, filling it the 3 inch PVC and pushing the airline to the inside wall of the 3 inch PVC Pipe.
you continue to do this till all of the 1/4 inch airline tubing is inside of the 3 foot 3 inch PVC pipe and the 3 inch pipe is filled with the bacteria media.