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Biofilm after 3 or 4 weeks

Posted: Mon Mar 18, 2024 4:34 pm
by DonSchaeffer
Don Schaeffer

BIOFILM AFTER 3 OR 4 WEEKS
(finding my way back on line)
https://youtu.be/X0w69C5Ha4Q

https://youtu.be/SA-mIcF9vHc