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2. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Rotational force the pool return jets create is the most important part of cleaning the pool water and pushing organic waste across the mouth of the skimmer. With a correctly designed and operated swimming pool, this circulation is visible and after a period of time, reaches even the deep end, inducing a low-velocity vortex above the main drain ...

3. Zygosaccharomyces bailii - Wikipedia

   en.wikipedia.org/wiki/Zygosaccharomyces_bailii

   For example, by utilizing acetic acid, the yeast can raise the pH of pickles sufficiently to allow the growth of less acid-tolerant bacteria. [5] Besides, as with other yeasts, the concentration of fermentable sugar in a product affects the rate of spoilage by Z. bailii , e.g. the yeast grows faster in the presence of 10% (w/w) than 1% (w/w ...

4. Pit additive - Wikipedia

   en.wikipedia.org/wiki/Pit_additive

   This box of additives is meant for septic tanks. It instructs users to add one of the blue packets of powdered material each month. Pit additives is a commercially-produced material that aims to reduce fecal sludge build-up and control odor in pit latrines, septic tanks and wastewater treatment plants.

5. Disinfectant - Wikipedia

   en.wikipedia.org/wiki/Disinfectant

   Frequently, a concentration of < 1 ppm of available chlorine is sufficient to kill bacteria and viruses, spores and mycobacteria requiring higher concentrations. Chlorine has been used for applications, such as the deactivation of pathogens in drinking water, swimming pool water and wastewater, for the disinfection of household areas and for ...

6. Pink algae - Wikipedia

   en.wikipedia.org/wiki/Pink_algae

   The slime formed around the bacteria provides it with a relatively high level of protection from external threats. Like other species in its genus, pink algae is a methane consuming bacterium. [1] It has an affinity for the matrix of PVC plastics, and will attach itself to both the inside and the outside of PVC materials inside of the pool.

7. Biofilter - Wikipedia

   en.wikipedia.org/wiki/Biofilter

   In this context, a biofilter located after a septic tank constitutes a robust process able to sustain the variability observed without compromising the treatment performance. In anaerobic wastewater treatment facilities, biogas is fed through a bio-scrubber and “scrubbed” with activated sludge liquid from an aeration tank. [ 20 ]