Potassium Bicarbonate for Swimming Pool pH Balancer

Granular potassium hydrogencarbonate for raising alkalinity and pH in pool water without cloudiness. Under HTS 2836.40.20.00 as chemically defined carbonate, not a prepared mixture. Packaged in 20kg pails for pool supply stores.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.3%+35.0%36.3%
🇲🇽Mexico1.3%+10.0%11.3%
🇨🇦Canada1.3%+10.0%11.3%
🇩🇪Germany1.3%+10.0%11.3%
🇯🇵Japan1.3%+10.0%11.3%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3808.94.50Lower: 30% vs 36.3%

If it includes disinfectants like chlorine

Pest control products with mixtures classify in Chapter 38.

2836.50.00.00Lower: 35% vs 36.3%

If using calcium-based carbonate

Calcium variants have separate subheadings for water treatment.

3824.99Lower: 15% vs 36.3%

If sold as retail pool chemical preparation

Retail chemical goods exclude to 3824 per chapter notes.

Not sure which classification is right?

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Import Tips & Compliance

Label per FIFRA if pesticidal claims; provide solubility data; avoid plastic bags that absorb moisture in humid shipments

Related Products under HTS 2836.40.20.00

Potassium Bicarbonate USP Grade

Pharmaceutical-grade potassium hydrogencarbonate (potassium bicarbonate) used as an antacid to neutralize stomach acid and treat heartburn. It falls under HTS 2836.40.20.00 as a chemically defined potassium carbonate, specifically the hydrogencarbonate form, meeting Chapter 28 note requirements for inorganic compounds. Packaged in bulk for compounding pharmacies.

Food-Grade Potassium Bicarbonate Powder

Pure potassium hydrogencarbonate approved for food use as a leavening agent in baking and acidity regulator in beverages. Classified under HTS 2836.40.20.00 as a chemically defined inorganic carbonate of potassium, excluded from food prep headings by chapter purity notes. Supplied in 25kg bags for industrial baking.

Technical Grade Potassium Bicarbonate Crystals

Industrial-grade potassium hydrogencarbonate crystals used in water treatment to adjust pH and precipitate calcium. It qualifies for HTS 2836.40.20.00 as a pure, chemically defined potassium carbonate per Chapter 28 definitions. Typically shipped in 50kg drums for chemical manufacturing.

Potassium Bicarbonate for Fire Extinguisher Charges

Dry chemical potassium hydrogencarbonate powder formulated for ABC fire extinguishers to smother flames. Falls under HTS 2836.40.20.00 as chemically defined, not excluded under chapter note (e) for fire-extinguisher charges which applies to organic preparations. Bulk packed for extinguisher filling.

Pharmaceutical Potassium Bicarbonate API

Active pharmaceutical ingredient (API) grade potassium hydrogencarbonate for effervescent tablet production. Classified in HTS 2836.40.20.00 as a pure inorganic compound of potassium per Chapter 28 notes, prior to formulation. Supplied in sealed drums for drug manufacturers.

Bulk Potassium Hydrogencarbonate for Winemaking

Food-grade potassium bicarbonate used to reduce acidity in wine must and stabilize pH during fermentation. Fits HTS 2836.40.20.00 as pure inorganic potassium salt, per chapter carbonate provisions. Shipped in 1-ton supersacks for vineyards.