How to Make DIY Olla Pots

How to use Ollas (sub-irrigating clay pots) to save water (greening the desert forum at permies)

DIY Ollas for Watering Plants and Gardens — Mid Modern Mama

How to make PVC ollas

DIY Olla (Underground Irrigation)

How to Make a Ceramic Olla Watering System

Olla Watering System: everything you need to know to get started

Clay pot irrigation – GreenDesert

Make your own Drought Busting Ollas Inexpensively

How to set up an irrigation system in your garden PLUS how to use olla terracotta pots