Links in description. Video demonstrating how I made a complete septic tank and drain field for an RV. I show what I used as a tank. Then also show the drain or leach field. It has been working really well!

Connector to go from RV plumbing outlet to 3" PVC: https://www.amazon.com/gp/product/B00...

3 1/2" Grommets were used to seal the 3" PVC going into tank: https://www.amazon.com/gp/product/B06...

Drain or leach field french drain pipe bought at Home Depot: https://www.homedepot.com/p/NDS4in...

Weed Control Fabric to go over french drain pipe to prevent dirt intrusion: https://www.homedepot.com/p/Vigoro4...

275 Gallon IBC Tote Tank you can buy on Facebook Marketplace or Craigslist.