pH Adjusters
Explore our pH Adjusters water treatment chemicals sourced from qualified Chinese manufacturers — competitive pricing, reliable quality. 8 products available.
ph adjusters
Calcium Hydroxide (Hydrated Lime)
CAS: 1305-62-0
Lowest-cost alkali for large-volume pH adjustment, heavy metal precipitation and sludge stabilization. The workhorse of municipal and mining wastewater treatment.
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Citric Acid Monohydrate
CAS: 5949-29-1
Organic acid for gentle pH adjustment, RO membrane cleaning and metal chelation. Biodegradable and food-safe alternative to mineral acids in sensitive applications.
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Hydrochloric Acid 31–33%
CAS: 7647-01-0
Industrial grade hydrochloric acid for pH reduction, scale removal and regeneration of ion exchange resins. The most widely used mineral acid in water treatment.
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Sodium Bicarbonate
CAS: 144-55-8
Mild alkali for fine pH adjustment and alkalinity buffering. Used in drinking water, aquaculture and sensitive biological treatment systems.
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Sodium Carbonate (Soda Ash)
CAS: 497-19-8
Moderate alkali for gentle pH adjustment and alkalinity supplementation. Raises pH without the corrosivity of caustic soda — preferred for drinking water treatment.
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Sodium Hydroxide Flakes 99%
CAS: 1310-73-2
High-purity caustic soda flakes for pH adjustment, acid neutralization and chemical precipitation in water and wastewater treatment.
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Sodium Hydroxide Solution 32%
CAS: 1310-73-2
Ready-to-use 32% NaOH solution for direct dosing in pH adjustment systems. No dissolution needed — pump directly to the dosing point.
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Sulfuric Acid 98%
CAS: 7664-93-9
Concentrated sulfuric acid for large-volume pH adjustment and ion exchange resin regeneration. Lower cost per H+ equivalent than hydrochloric acid for high-volume users.
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