Advanced Composting Technology
ACS—Advanced Composting System — is
a state-of-the-art composting technique developed by Midwest
Bio-systems. Craig Witt is an active teacher and composting
consultant for Midwest Bio-systems, instructing at ACS workshops
each year. Click
here to visit the Midwest Bio-system web site.

This Aeromaster Turner allows for optimal
control of the compost window.
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