 WESTMER, CA ACCESSWIRE March 2, 2021 BioLargo, Inc. OTCQB:BLGO, a developer of sustainable technologies and full-service environmental engineering company, announced today that it had paid off 650,000 in debt, the bulk of which was scheduled to mature in August of 2021. Other than debt owed by its partially owned subsidiary Clyra Medical, only SBA loans and fixed-price convertible debt remain on BioLargos balance sheet. 