Expanded Clay Pebbles Hydroponic Grow Media from China
Lightweight clay balls expanded at high temperature for hydroponic plant support and drainage. While primarily for horticulture, they are expanded mineral materials with thermal insulation properties, falling under this tariff item for expanded clays and similar materials.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the pebbles are not coated or treated with substances that could reclassify them under another heading
• Provide the CBSA with the expansion process details to confirm they are expanded clay
• Check if any agricultural import permits are required for growing media