How to install a bulkhead fitting - aquaponic plumbing

In this video I show you how to install a bulkhead fitting on a 55 gallon drum half.
Visit my channel here: https://www.youtube.com/c/vonponics/?sub_confirmation=1

Amazon:
Bulkhead fittings:
https://amzn.to/3d671db
https://amzn.to/3tU4qvZ
https://amzn.to/39ixDHl
https://amzn.to/3EtEADT

Uni seals: https://amzn.to/3e5QeXF
Matala Filter pads: https://amzn.to/3bU9w0L

Bulkhead fitting hole size chart:
https://www.savko.com/pages/abs-bulkhead-fittings-sizing-chart
or
https://www.usplastic.com/knowledgebase/article.aspx?contentkey=956

Fish food I use:
https://amzn.to/3gAErT4