Not in EWG Guide to Healthy Cleaning database: natural bacteria and enzyme blend, no caustic chemicals per product claims
Bio-Clean Drain Septic Bacteria, 2 lb Can
$49.95price as of Nov 1
Dry bacteria and enzyme concentrate for long-term drain maintenance. No caustic chemicals. One 2 lb can designed for up to a year of monthly household treatments at roughly $4 per treatment. Used by plumbers for drain system conditioning. Not rated by EWG.
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