Risk of E. coli in hydroponic and aquaponic systems may be greater than once thought – Purdue University Posted on February 4, 2026 By Greens No Comments on Risk of E. coli in hydroponic and aquaponic systems may be greater than once thought – Purdue University Greens2 Taste Healthy Risk of E. coli in hydroponic and aquaponic systems may be greater than once thought Purdue Universityhttp://dlvr.it/TQl8x3