Copper(II) Sulfate for Aquaculture from Japan
Technical grade copper sulfate crystals used for aquaculture pond algae control. As a chemically defined copper sulfate, it is classified under tariff item 2833.25.00 regardless of its end use in water treatment.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide the exact CuSO4 concentration and any additives on the safety data sheet
• Confirm the product is not formulated as a ready-to-use algicide, which could shift classification
• Verify that the product meets Canadian pesticide regulations if used for algae control