Cal Hypo Tablets for Spa Sanitization from Canada
3-inch calcium hypochlorite tablets (65% chlorine) designed to dissolve slowly in spas and hot tubs for continuous sanitization. This product is classified in HTS 2828.10.00.00 as other calcium hypochlorites in commercial form, not as a finished preparation. Tablets provide controlled release to maintain safe water chemistry.
Duty Rate — Canada → United States
12.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify tablet composition avoids organic stabilizers per Chapter 28 notes; use child-resistant packaging labels
• Pitfall: incorrect declaration as 'pool chemical' leading to reclassification