FoxFarm Grow Big Hydroponic Fertilizer from Mexico
Vegetative stage liquid NPK 6-4-4 for hydroponics, in 1 gallon (~4kg) jugs. HTS 3105.90.00 as NPK fertilizer in retail ≤10kg for specialty growers. Supports rapid vegetative growth in soilless systems.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify 'for hydroponic use' but classify by chemistry, not end-use
• Test for heavy metals; EPA limits apply to all fertilizers