The FoxFarm Bush Doctor Wholly Mackerel Fertilizer 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.
Fish-derived fertilizers have long been valued by organic growers for their rich amino acid content and broad-spectrum micronutrient profile. The FoxFarm Bush Doctor Wholly Mackerel Fertilizer delivers these benefits in a convenient liquid concentrate format that mixes easily and integrates seamlessly into any organic feeding program.
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
32oz concentrate — easy to mix and dose; compatible with soil and container applications
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.
32oz | 3-1-0 NPK | Fish-Derived | Liquid Concentrate | CDFA Registered | Made by FoxFarm®