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Quick peek inside while the tank fills with water to add stability.
The inner tank is where the effluent from the septic tank goes (instead of straight to the ditch). Clean water and air is bubbled up through it by a small compressor, which causes bacteria to multiply enormously. The bacteria feed on the waste in the effluent, and the cleaned liquid is forced through the walls of the inner tank into the outer tank, from where it's sent to the ditch. The water at the outlet of this system is clean enough to send straight into a river if necessary.

Date: 20/07/16 16:04
Camera model: Nexus 5X | Exposure time: 1/125s | Aperture: 2.0
ISO: 63 | Metering mode: Center weighted average | Focal length: 4.67mm

All images on this website have been shot using either a Canon S40 compact digital camera, or a Canon 20D DLSR. I'm something of a Canon fan. :) Most images have been post processed with Adobe Photoshop and the CurveMeister plugin. I thoroughly recommend CurveMeister, BTW. It's a great piece of software. Please note that all images are copyright and may not be used or distributed without my written permission.

Images and content (C) Copyright Derek Fountain 2006-2007 - All Rights Reserved