Aquaponics 101 – I’m a welder !!

One of my oldest, cutest, grossest jokes goes something like this;

This young boy is walking along the pavement one day when he comes across a discarded welders helmet in the gutter. He puts it on and finds a stick and walks along waving the stick and pretending to be Darth Vader. Just then a van pulls up and a pretty rough looking guys asks the boy if he’d like a lift. The boy stupidly accepts seeing that he’s Darth Vader and invincible. After a few minutes the mans says, “Little boy, do you know anything about ORAL sex?” The little boy lifts up the eyepiece and answers, “No sir.” A few more minutes elapse and the man growls, “Little boy, do you know anything about ANAL sex?” The little boy lifts up the eyepiece and answers, “No sir.” The boy gets quite worried about the whole episode and eventually lifts up the eyepiece and says to the man, “Sir, I’m not REALLY a welder.”

Well this week I’ve mastered (jokes) plastic welding. The growbed ends have now been cut to size and I have started welding them into place. The procedure is as follows;

  • First glue the support ring in place with PVC weld.
  • Then glue the half moon PVC end into place.
  • Then when dry, plastic weld along the seam on the inside and outside.
  • Sand off all of the rough spots with sandpaper.
  • Seal inside and outside seams with marine silicone.

This is what the finished product looks like.

I am using a Metabo 2300W Heat Gun with a reducing and plastic welding nozzle and PVC welding rods. It can heat up to 1000 degrees. This is what it looks like.

I have also started the plumbing. Attached some images of spraybars and pipe-within-pipe drains.

Please feel free to ask any questions as comments below.

Enough for now.



One thought on “Aquaponics 101 – I’m a welder !!”

  1. hi just found your site, your grow beds look interesting, pipes cut in half are they? Im using fibreglass containers,but had wondered about the half round idea. at what depth do you fill your beds to with water. I currently fill mine within an inch of the surface of the gravel, but Im concerned about wet feet, I drain the beds for 1 3/4 hrs before pumping for 45 mins, on a continuous cycle yours greg

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