Lightweight Pumice Horticultural Substrate from Canada
Expanded pumice granules as soilless growing medium for hydroponics and greenhouses. Under HTS 2513.10.00 as pumice stone, leveraging natural lightness and drainage. Suitable for organic farming.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Phytosanitary certificates often required; declare particle size for ag use; avoid fertilizer admixtures