FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 1 Gallon Fish Concentrate

The FoxFarm Bush Doctor Wholly Mackerel Fertilizer 1-gallon is a CDFA Registered Organic Input Material derived from fish, delivering immediately available nitrogen-forward nutrition to support vigorous vegetative growth. With a 3-1-0 NPK ratio, FoxFarm Bush Doctor Wholly Mackerel Fertilizer provides a fast-acting, bioavailable nutrient boost that plants can uptake quickly — making it an ideal organic supplement during the vegetative phase or any time plants need a rapid green-up.

The 1-gallon size of FoxFarm Bush Doctor Wholly Mackerel Fertilizer is the ideal high-volume option for serious home growers and small commercial operations running multiple plants or back-to-back cycles who need a reliable fish-derived organic nitrogen source at scale. Rich in amino acids and broad-spectrum micronutrients, it integrates seamlessly into any organic feeding program and delivers the same proven formula as the 16oz and 32oz sizes — just with more volume per application.

• 3-1-0 NPK ratio — nitrogen-forward formula for vigorous vegetative growth and rapid green-up
• Fish-derived liquid concentrate — rich in amino acids and bioavailable organic nutrition
• CDFA Registered Organic Input Material — certified for organic gardening programs
• Immediately available nutrition for fast plant uptake
• 1-gallon concentrate — high-volume size for multi-plant grows and commercial-scale operations

Use FoxFarm Bush Doctor Wholly Mackerel Fertilizer during the vegetative phase or as a supplemental nitrogen boost whenever plants show signs of deficiency. Compatible with soil and container growing systems.

1 Gallon | 3-1-0 NPK | Fish-Derived | Liquid Concentrate | CDFA Registered | Made by FoxFarm®