It is important to keep the water that touches fruits and vegetables clean. The Test Strip interactive module helps users understand how to accurately test chlorine levels in irrigation water and how to avoid common pitfalls of chlorine testing systems.

This work was supported by Food Safety Outreach Program grant no. 2016-70020-25803/project accession no. 1010638 and grant no 2015-70020-24397/project accession no.1007735 from the USDA National Institute of Food and Agriculture.