Build Your Own iAVs

Building an iAVs is easy. 

iAVs – Easy! – 5 Steps to your own iAVs.

Sand Biofilter Construction and Operation – Part 1 –

Sand Biofilter Construction and Operation – Part 2 –

iAVs in Oklahoma – Mike Haigh’s greenhouse and iAVs

Cascade Aeration –

Coming Attractions:

• Low – Appropriate – High Tech approaches.
• DIY tanks and sand beds.
• Alternative Energy options.

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