The Quick Clean Greens Bubbler can be routinely maintained by running Sanidate liquid sanitizer through the system. https://www.johnnyseeds.com/tools-supplies/pest-and-disease-controls/fungicides/sanidate-5.0-liquid-sanitizer-2.5-gal.-9112.0.html?utm_source=google&utm_medium=cpc&utm_campaign=BL%20|%20PMax%20|%20PRP%20|%20HPN%20-%20Smart%20Shopping%20|%20All%20Products&utm_keyword=&gad_source=1&gclid=CjwKCAiA0PuuBhBsEiwAS7fsNUHG4mLVooor787aJK2_utbu6ZEKxdYMLjXvxelTWe_efs6BmyrbkRoCSTYQAvD_BwE

Oxidate is also another cleaning solution for organic uses https://www.7springsfarm.com/products/oxidate-2-0-2-5-gallon-jug