Best Nutrients Additives 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

Athena AG

Athena Nutrients Blended Line Balance 3.78 Litre Hydroponics Nutrient & Additive

Show more
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Reduces the need to adjust pH after mixing
Promotes plant growth, stem structure, stress reduction and nutrient utilization
Made from potassium silicate
Can be used in coconut, hydro, rock wool or soil

46,97 €
Value for Money

02

Advanced Nutrients

Advanced Nutrients - Voodoo Juice 500 ml

Show more
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Advanced Nutrients Voodoo Juice 500ml - Root Enhancer, Beneficial Bacteria and Hydroponics

28,17 €
03

Xpert Nutrients

Xpert Nutrients Silica Force Stress Reducing Silicon Supplement Silica Additive (250 ml)

Show more
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Stronger cell structure - Designed to strengthen the physical structure of the plant and help plants spend most of their energy on the formation of flowers and buds.
STRESS REDUCER - Reduces stress caused by mechanical, biotic and abiotic factors in plants. In addition, it improves resistance to pests such as insects and fungi.
INCREASES CHLOROPHYLL - Stems become thicker and leaves acquire a darker green colour. Silica Force increases chlorophyll, allowing plants to photosynthesize more efficiently and achieve higher yields.
Growth surround - Suitable for any growing method - soil, coconut substrates and hydroponics
Dosage - 1 ml/1 litre of water. Add to your nutrient solution every time you water or at least once or twice a week. This product increases the pH value. Suitable for all types of plants.

17,40 €
04

Xpert Nutrients

Xpert Nutrients Silica Force (1L) - Stress Reducer, Silicon Supplement, Silica Supplement, Healthy Stems and Green Leaves, Universal Liquid Nutrient for Strong Plants

Show more
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Stronger cell structure - Designed to strengthen the physical structure of the plant and help plants spend most of their energy on the formation of flowers and buds.
STRESS REDUCER - Reduces stress caused by mechanical, biotic and abiotic factors in plants. In addition, it improves resistance to pests such as insects and fungi.
INCREASES CHLOROPHYLL - Stems become thicker and leaves acquire a darker green colour. Silica Force increases chlorophyll, allowing plants to photosynthesize more efficiently and achieve higher yields.
Growth surround - Suitable for any growing method - soil, coconut substrates and hydroponics
Dosage - 1 ml/1 litre of water. Add to your nutrient solution every time you water or at least once or twice a week. This product increases the pH value. Suitable for all types of plants.

26,70 €
05

Xpert Nutrients

Xpert Nutrients Enzymes - (1L) - Liquid Enzyme Formula, Efficient Plant Nutrient for Indoor and Outdoor Use

Show more
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

REUSE YOUR GROWTH MEDIUM - This product is essential if you want to reuse your growing medium for another cycle.
REPLACE PLANT RETAINS - Enzymes keep the root surface clean, remove dead organic matter and root residues and accelerate the process of decomposing dead root material into available minerals and sugars.
Oxygen-rich root environment - Enzymes help maintain optimal conditions in the substrate, improve the efficiency of beneficial bacteria and improve the overall efficiency of the roots.
Nutrient absorption - Improves the plant's natural ability to absorb more nutrients while avoiding the accumulation of nutrients in the medium, which can lead to blockages and pathogen problems in the root system. Stabilize EC in the growth medium.
Growth surround - Suitable for any growing method - soil, coconut substrates and hydroponics
Dosage - 2 ml/1 litre of water. For better results, add to your nutrient solution each time you water or at least once or twice a week. Do not prepare the solution more than 5 days in advance. Put enzymes last in the nutrient solution, preferably just before watering.

25,80 €
06

Xpert Nutrients

Xpert Nutrients Enzymes - (1L) - Liquid Enzyme Formula, Efficient Plant Nutrient for Indoor and Outdoor Use

Show more
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

REUSE YOUR GROWTH MEDIUM - This product is essential if you want to reuse your growing medium for another cycle.
REPLACE PLANT RETAINS - Enzymes keep the root surface clean, remove dead organic matter and root residues and accelerate the process of decomposing dead root material into available minerals and sugars.
Oxygen-rich root environment - Enzymes help maintain optimal conditions in the substrate, improve the efficiency of beneficial bacteria and improve the overall efficiency of the roots.
Nutrient absorption - Improves the plant's natural ability to absorb more nutrients while avoiding the accumulation of nutrients in the medium, which can lead to blockages and pathogen problems in the root system. Stabilize EC in the growth medium.
Growth surround - Suitable for any growing method - soil, coconut substrates and hydroponics
Dosage - 2 ml/1 litre of water. For better results, add to your nutrient solution each time you water or at least once or twice a week. Do not prepare the solution more than 5 days in advance. Put enzymes last in the nutrient solution, preferably just before watering.

24,99 €
07

Xpert Nutrients

Xpert Nutrients Sugar Shot (1L) - Carbohydrate Supplement, Flower Stimulator for Aroma and Flavour, Powerful Energy Stimulant

Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Nourishes useful microbes - By using Sugar Shot, beneficial microbes are abundantly nourished in the soil, which in turn supports the cultivation and growth of your habitat.
Increases weight - Improves the organoleptic properties of flowers and increases their weight, vitality and value.
Increased sugar content - Sugar shot increases sugar content, fragrances and taste in the plant and final product. Sugar meal gives your finished plants a better smell and sweeter taste.
Growth surround - Suitable for any growing method - soil, coconut substrates and hydroponics
Energy supply - A specially developed blend of complex and simple carbohydrates. By adding carbohydrates, plants are supplied with the energy they need to grow larger, fuller, heavier, and tastier buds.

27,66 €
08

Advanced Nutrients

Advanced Nutrients - Voodoo Juice 500 ml

Show more
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Advanced Nutrients Voodoo Juice 500ml - Root Enhancer, Beneficial Bacteria and Hydroponics

28,17 €
09

Advanced Nutrients

Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Nutrient 250 ml

Show more
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Sensi Cal-Mag Xtra differs from the classic Sensi Cal-Mag by enhancing micronutrients such as iron as well as 20 L-form amino acids to ensure that the potential of each nutrient in Sensi Cal-Mag Xtra is at maximum potential.
Sensi Cal-Mag Xtra contains calculated amounts of calcium (Ca) and magnesium (Mg), also contains correct amounts of iron (Fe) and 20 L form amino acids
If you are growing quality plants, there is no point in buying general formulations designed for growing large tomatoes or storing products
Feed your plants the food they want and need, and watch the cup winning flowers spread to your plants.

14,85 €
10

Advanced Nutrients

Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Nutrient 250 ml

Show more
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Sensi Cal-Mag Xtra differs from the classic Sensi Cal-Mag by enhancing micronutrients such as iron as well as 20 L-form amino acids to ensure that the potential of each nutrient in Sensi Cal-Mag Xtra is at maximum potential.
Sensi Cal-Mag Xtra contains calculated amounts of calcium (Ca) and magnesium (Mg), also contains correct amounts of iron (Fe) and 20 L form amino acids
If you are growing quality plants, there is no point in buying general formulations designed for growing large tomatoes or storing products
Feed your plants the food they want and need, and watch the cup winning flowers spread to your plants.

14,11 €