Heavy 16

Shop premium plant nutrients engineered to produce unrivaled yields. Using a combination of premium synthetic and natural ingredients, Heavy 16 offers scientifically designed formulae to help your plants reach their optimum genetic potential.
Heavy 16 Nutrients are for the professional grower. All Heavy 16 plant nutrients are blended and bottled in California. HTG Supply offers only the best nutrients from the industry’s top brands. Browse our premium Heavy 16 products to boost your garden yields today!