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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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