Biocide and Algicide

Biocide and Algicide are water-treatment chemicals that control bacteria, fungi, algae and biofilm (slime) in cooling water, wastewater and industrial process systems.

In this category: This category covers oxidizing disinfectants (TCCA, SDIC, calcium hypochlorite) and non-oxidizing biocides (benzalkonium chloride, glutaraldehyde, isothiazolinone, DBNPA, THPS), plus formulated composite bactericides and biofilm/slime strippers. Use an oxidizer for everyday microbial control and alternate two non-oxidizers to prevent resistance.

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Biocide and algicide are two powerful methods of controlling nuisance organisms in aquatic environments. Biocides are toxic chemicals that target living organisms, while algicides target photosynthetic organisms, such as algae. Both types of chemicals can be used to reduce the growth of unwanted populations or kill them outright. However, these substances can have a negative effect on other beneficial species in the ecosystem if not used correctly and responsibly. To prevent damage to beneficial species, it is important to use biocides and algicides only when necessary and with extreme care.

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Biocide and Algicide — Frequently Asked Questions (FAQ)

What are biocides and algicides used for in water treatment?

Biocides and algicides control bacteria, fungi, algae and biofilm in circulating cooling water, wastewater and industrial systems, preventing microbial fouling, slime, corrosion under deposits and Legionella risk. They include oxidizing disinfectants and non-oxidizing biocides dosed as periodic slugs.

Which biocide should I choose?

Use an oxidizing biocide (chlorine, TCCA, SDIC) as the everyday base, and add non-oxidizing biocides (glutaraldehyde, isothiazolinone, BKC, DBNPA, THPS) as periodic slugs for biofilm and sulfate-reducing bacteria. Alternate two non-oxidizers with different mechanisms to prevent microbial resistance.

Does VCYCLETECH manufacture biocides and algicides?

Yes. VCYCLETECH manufactures a full range of oxidizing and non-oxidizing biocides and algicides factory-direct in China, ISO 9001/14001/45001 certified, with a COA on every batch, free samples and OEM/ODM service.
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