Cronk Classic 3-Part Kit | Micro + Grow + Bloom Fertilizer Set Size:4L Bud Booster 0-1-3 is a

Bud Booster 0-1-3 is a concentrated phosphorus and potassium supplement that increases flower density

Organic growers wanting maximum nutrient efficiency and complete micronutrient support

Same three bottles work from seedling through harvest

Resin development intensifies through the combined effects of adequate energy and optimal plant health

Fully soluble formulas—no sediment or clogging in any system

Cronk Classic 3-Part Kit | Micro + Grow + Bloom Fertilizer Set Size:4L Bud Booster 0-1-3 is aThe Classic 3 Part Kit provides complete plant nutrition through three complementary formulas: Micro (5 0 1) establishes the micronutrient foundation, Grow (2 1 6) drives vegetative development, and Bloom (0 5 3) supports flowering. This professional system gives growers precise control over nutrient ratios at every growth stagesomething single bottle fertilizers cannot offer. Pre mixed all in one fertilizers deliver fixed ratios regardless of growth