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What is a suitable substance for comparing low-foam, non-oxidizing bactericides? 1227 or something else?
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What about charity races? Is there anything else?
It depends on the pH and water hardness of the biocide; normal Isai and BKC will work fine, while mixed formulations yield better results :):):)
Currently, in terms of bactericides for circulating water, non-oxidizing bactericides are generally mainly quaternary ammonium salts and isothiazolinones; isothiazolinones offer good cost-performance and are also commonly used bactericides in reverse osmosis systems. It is possible to purchase the 14% concentrate and dilute it oneself to 1.5%. A dosage concentration of 100 ppm in the circulating water system generally yields excellent results. Other options can be found in books on water treatment chemicals, but they are not recommended; after all, those chemicals are used infrequently and offer poor cost-effectiveness, unless they are intended for dealing with certain specific types of bacteria or algae.
Thank you for your answer. How about polyquaternium salts and polyquaternary ammonium salts?
I have never used these two polymer-based fungicides; I use quaternary ammonium salts quite often, however. Quaternary ammonium salts have strong surface activity, offering good bactericidal and stripping effects; they are commonly used as sludge removers, but they tend to form bubble films, requiring the addition of defoamers.