Cal Hypo Tablets for Spa Sanitization from Mexico
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 — Mexico → United States
12.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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