Filter Products

Nutrients & Additives

Give your crops the high-quality plant nutrients they need for robust development and greater yields. Hydrofarm offers a comprehensive selection of premium fertilizers and additives for hydroponic, greenhouse, and indoor commercial operations.



Roots Organics Terp Tea Grow, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 3 lb
SKU:
ROTTG3
SRP: $20.51
Roots Organics Terp Tea Grow, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 40 lb
SKU:
ROTTG40
SRP: $156.59
Roots Organics Terp Tea Grow, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 9 lb
SKU:
ROTTG9
SRP: $53.99
Roots Organics Terp Tea Grow
Roots Organics Terp Tea Grow, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 3 lb
SKU:
ROTTG3
SRP: $20.51
Roots Organics Terp Tea Grow, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 40 lb
SKU:
ROTTG40
SRP: $156.59
Roots Organics Terp Tea Grow, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Grow, 9 lb
SKU:
ROTTG9
SRP: $53.99
Roots Organics Terp Tea Bloom, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 3 lb
SKU:
ROTTB3
SRP: $20.51
Roots Organics Terp Tea Bloom, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 40 lb
SKU:
ROTTB40
SRP: $156.59
Roots Organics Terp Tea Bloom, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 9 lb
SKU:
ROTTB9
SRP: $53.99
Roots Organics Terp Tea Bloom
Roots Organics Terp Tea Bloom, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 3 lb
SKU:
ROTTB3
SRP: $20.51
Roots Organics Terp Tea Bloom, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 40 lb
SKU:
ROTTB40
SRP: $156.59
Roots Organics Terp Tea Bloom, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom, 9 lb
SKU:
ROTTB9
SRP: $53.99
Roots Organics Terp Tea Microbe Charge, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 9 lbs
SKU:
ROTTMC9V2
SRP: $101.51
Roots Organics Terp Tea Microbe Charge, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 3 lb
SKU:
ROTTMC3
SRP: $36.71
Roots Organics Terp Tea Microbe Charge, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 3 lb
SKU:
ROTTMC3V2
SRP: $36.71
Roots Organics Terp Tea Microbe Charge, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 40 lb
SKU:
ROTTMC40V2
SRP: $424.42
Roots Organics Terp Tea Microbe Charge
Roots Organics Terp Tea Microbe Charge, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 9 lbs
SKU:
ROTTMC9V2
SRP: $101.51
Roots Organics Terp Tea Microbe Charge, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 3 lb
SKU:
ROTTMC3
SRP: $36.71
Roots Organics Terp Tea Microbe Charge, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 3 lb
SKU:
ROTTMC3V2
SRP: $36.71
Roots Organics Terp Tea Microbe Charge, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Microbe Charge, 40 lb
SKU:
ROTTMC40V2
SRP: $424.42
Roots Organics Terp Tea Bloom Booster, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 9 lb
SKU:
ROTTBB9V2
SRP: $91.79
Roots Organics Terp Tea Bloom Booster, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 3 lb
SKU:
ROTTBB3V2
SRP: $34.56
Roots Organics Terp Tea Bloom Booster, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 40 lb
SKU:
ROTTBB40V2
SRP: $383.39
Roots Organics Terp Tea Bloom Boost
Roots Organics Terp Tea Bloom Booster, 9 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 9 lb
SKU:
ROTTBB9V2
SRP: $91.79
Roots Organics Terp Tea Bloom Booster, 3 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 3 lb
SKU:
ROTTBB3V2
SRP: $34.56
Roots Organics Terp Tea Bloom Booster, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Terp Tea Bloom Booster, 40 lb
SKU:
ROTTBB40V2
SRP: $383.39
Roots Organics Seabird Guano Powder, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 3 lbs
SKU:
ROPSBP3
SRP: $12.94
Roots Organics Seabird Guano Powder, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 40 lbs
SKU:
ROPSBP40
SRP: $80.98
Roots Organics Seabird Guano Powder, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 9 lbs
SKU:
ROPSBP9
SRP: $33.47
Roots Organics Phos Sea Bird Guano Powder
Roots Organics Seabird Guano Powder, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 3 lbs
SKU:
ROPSBP3
SRP: $12.94
Roots Organics Seabird Guano Powder, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 40 lbs
SKU:
ROPSBP40
SRP: $80.98
Roots Organics Seabird Guano Powder, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Seabird Guano Powder, 9 lbs
SKU:
ROPSBP9
SRP: $33.47
Roots Organics Nitro Bat Guano, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 3 lbs
SKU:
RONB3
SRP: $18.34
Roots Organics Nitro Bat Guano, 44 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 44 lbs
SKU:
RONB44
SRP: $132.83
Roots Organics Nitro Bat Guano, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 9 lbs
SKU:
RONB9
SRP: $43.19
Nitrogen Bat Guano
Roots Organics Nitro Bat Guano, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 3 lbs
SKU:
RONB3
SRP: $18.34
Roots Organics Nitro Bat Guano, 44 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 44 lbs
SKU:
RONB44
SRP: $132.83
Roots Organics Nitro Bat Guano, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Nitro Bat Guano, 9 lbs
SKU:
RONB9
SRP: $43.19
Roots Organics Uprising Bloom, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 3 lbs
SKU:
ROUB3
SRP: $19.43
Roots Organics Uprising Bloom, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 40 lbs
SKU:
ROUB40
SRP: $152.27
Roots Organics Uprising Bloom, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 9 lbs
SKU:
ROUB9
SRP: $48.59
Roots Organics Uprising Bloom
Roots Organics Uprising Bloom, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 3 lbs
SKU:
ROUB3
SRP: $19.43
Roots Organics Uprising Bloom, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 40 lbs
SKU:
ROUB40
SRP: $152.27
Roots Organics Uprising Bloom, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Bloom, 9 lbs
SKU:
ROUB9
SRP: $48.59
Roots Organics Uprising Foundation, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Foundation, 3 lbs
SKU:
ROUF3
SRP: $19.43
Roots Organics Uprising Foundation, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Foundation, 9 lbs
SKU:
ROUF9
SRP: $48.59
Roots Organics Uprising Foundation
Roots Organics Uprising Foundation, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Foundation, 3 lbs
SKU:
ROUF3
SRP: $19.43
Roots Organics Uprising Foundation, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Foundation, 9 lbs
SKU:
ROUF9
SRP: $48.59
Roots Organics Elemental, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 3 lbs
SKU:
ROEL3
SRP: $28.61
Roots Organics Elemental, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 40 lbs
SKU:
ROEL40
SRP: $278.63
Roots Organics Elemental, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 9 lbs
SKU:
ROEL9
SRP: $71.27
Roots Organics Elemental
Roots Organics Elemental, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 3 lbs
SKU:
ROEL3
SRP: $28.61
Roots Organics Elemental, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 40 lbs
SKU:
ROEL40
SRP: $278.63
Roots Organics Elemental, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Elemental, 9 lbs
SKU:
ROEL9
SRP: $71.27
Roots Organics Oregonism XL, 6 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 6 lbs
SKU:
ROIX6
SRP: $360.70
Roots Organics Oregonism XL, 1 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 1 lb
SKU:
ROIX1
SRP: $66.95
Roots Organics Oregonism XL, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 3 lbs
SKU:
ROIX3
SRP: $190.07
Roots Organics Oregonism XL, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 40 lb
SKU:
ROIX40
SRP: $1,606.75
Roots Organics Oregonism XL, 8 oz
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 8 oz
SKU:
ROIX8
SRP: $35.63
Roots Organics Oregonism XL
Roots Organics Oregonism XL, 6 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 6 lbs
SKU:
ROIX6
SRP: $360.70
Roots Organics Oregonism XL, 1 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 1 lb
SKU:
ROIX1
SRP: $66.95
Roots Organics Oregonism XL, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 3 lbs
SKU:
ROIX3
SRP: $190.07
Roots Organics Oregonism XL, 40 lb
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 40 lb
SKU:
ROIX40
SRP: $1,606.75
Roots Organics Oregonism XL, 8 oz
Hydrofarm Brand:
Roots Organics
Roots Organics Oregonism XL, 8 oz
SKU:
ROIX8
SRP: $35.63
Roots Organics Uprising Grow, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 3 lbs
SKU:
ROUG3
SRP: $19.43
Roots Organics Uprising Grow, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 40 lbs
SKU:
ROUG40
SRP: $144.71
Roots Organics Uprising Grow, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 9 lbs
SKU:
ROUG9
SRP: $48.59
Roots Organics Uprising Grow
Roots Organics Uprising Grow, 3 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 3 lbs
SKU:
ROUG3
SRP: $19.43
Roots Organics Uprising Grow, 40 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 40 lbs
SKU:
ROUG40
SRP: $144.71
Roots Organics Uprising Grow, 9 lbs
Hydrofarm Brand:
Roots Organics
Roots Organics Uprising Grow, 9 lbs
SKU:
ROUG9
SRP: $48.59
Page Size:

Nutrients & Additives Resources

The Trusted Partner for Your Grow Operation

With over 40 years of expertise, Hydrofarm is the leading manufacturer and distributor for commercial growers and retailers. We provide cost-effective, premium-grade plant nutrients and additives to ensure your operation achieves consistent, high-quality results. Our concentrated formulas are designed for maximum nutrient uptake, helping you reduce costs while increasing yields.

Why Choose Nutrients & Additives for Your Operation?

Selecting the right nutrients and additives for your operation is essential for achieving robust plant growth, higher yields, and overall superior crop vigor. Nutrients provide the foundational elements plants need to flourish, from core macronutrients like nitrogen, phosphorus, and potassium to essential secondary macronutrients such as calcium, magnesium, and sulfur, which drive critical processes like enzyme production and photosynthesis. By incorporating high-quality additives, you can further enhance nutrient uptake, improve soil structure (or ‘fertility’, or ‘tilth’), and optimize conditions for plant growth. 

Hydrofarm’s wide selection of premium products enables growers to create customized feeding programs tailored to the specific demands of their crops and growing environments. Rely on Hydrofarm to support every stage of growth, from germination to harvest, empowering your operation with trusted, industry-leading solutions.

What Are Essential Plant Nutrients?

Essential plant nutrients are the essential elements required for vigorous plant growth. They are divided into two categories: macronutrients and micronutrients. Macronutrients, like nitrogen, phosphorus, and potassium, are needed in larger quantities. Micronutrients, or trace elements like iron, manganese, and boron, are required in smaller amounts but are just as crucial for processes like photosynthesis and chlorophyll formation.

How Can I Determine If My Plants Have Nutrient Deficiencies?

Nutrient deficiencies often present visible deficiency symptoms. Common signs include yellowing of older leaves (potassium deficiency or iron deficiency), stunted growth of leaves (zinc deficiency), weak plant structure, poor root growth, or a purplish discoloration (phosphate deficiency). For example, a calcium deficiency can lead to weakened cell walls. Regular observation and soil testing can help identify specific issues early.

How Do I Balance Nutrients in My Garden Soil for Optimal Plant Growth?

Balancing plant nutrients requires a strategic approach to nutrient management. Start by conducting a soil testing analysis to understand your current soil pH and nutrient levels. Based on the results, you can select fertilizers with the appropriate NPK ratio and supplement with specific macronutrients or micronutrients as needed to prevent acidic soils, toxicity, or deficiency. Consider factors like your soil type, as sandy soils are more prone to nutrient leaching.

How Do I Choose the Right Fertilizer for My Plants' Nutrient Needs?

Choosing the right fertilizer depends on your crop type, growth stage, and growing medium. For the flowering or fruiting stage, a fertilizer high in phosphorus and potassium is ideal. For vegetative growth, a nitrogen-rich formula supports foliage development. Always consider the guaranteed analysis (NPK) and the nutrient source. For tailored recommendations, our grow consultants can help you create a custom feeding program.

Choose from over 130 trusted brands, many exclusive to Hydrofarm, to support every stage of plant growth. Our products are formulated with the finest macronutrients and chelated micronutrients to promote vigorous development, from strong root growth to impressive fruiting.