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Gbiota beds

Gbiota beds were developed to help restore gut biology which is really the control centre for our bodies. Trillions of cells communicate with each other to provide intelligence which determines, with our head brain, our appetite and how much food we store.

They work on the flood and drain principle in which a compost tea floods the root zone on a regular basis. Minerals in the soil are broken down by the soil biology so they are readily available to the plants. We have a nutrient rich biologically active soil and health starts in the soil.

They were developed from Wicking Beds, which are still a very viable system for the home gardener, but Gbiota beds are better suited for larger commercial style growing for health conscious people.

Open beds – e.g. beds made directly in the soil, are suitable for larger areas while closed bed, e.g in closed boxes which may be more suitable for green or shade houses for insect and climate protection.

The principles are the same for both systems. Clean waste can be placed in the compost area or if there is a danger of contamination the compost can be pre-fermented or if there is a health risk from contamination even used to grow compost crops which are harvested for compost.

A pump is place in a sump  below the bed levels and a timer (or from a solar panel with shade panels for timing) used to flood the base of the beds flooding the root zone with the nutrient rich tea and the beds then allowed to drain.

This system was developed under the creative commons system which means that the technology is available for use by the public essentially free of charge however all references to the system must acknowledge the original developers. Gbiota is a registered trade mark ™ and can be used to promote products grown on a commercial basis in conjunction with the pickandeat.shop web site.

Gbiota Manual last updated 16 Dec 2019


Technical support is available by contacting me at colinaustin@bigpond.com




  1. I have followed your work for a long time. My first wicking bed suffered from stagnant water at the bottom after a time. Even though it requires a little more capital and energy, I thought even then, flood and drain might be the way to go - but using proper soil not artificial media. Even with a wicking bed I found hydroponic nutrients led to salts build up. The hydroponic supplier said that it required flushing. That seemed to negate the water saving of a wicking bed. I really would like info' on your Gbiota approach please.
    • Hi Don, One of the key features of the Gbiota bed is that the water is on the move all the time so avoids the stagnant water problem. It is very different to hydroponics which relay on chemicals for nutrients but instead rely on compost tea and minerals. I guess over nutrition is a potential problem as always but I have not experienced it as yet. Colin

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