Additives Fertilizers

Optimize your crops with our horticultural additives! Horticultural additives are essential products for boosting the health of your plants and stimulating their growth . Specially designed to provide additional nutrients and key elements, these additives will help you achieve out...

Optimize your crops with our horticultural additives!

Horticultural additives are essential products for boosting the health of your plants and stimulating their growth. Specially designed to provide additional nutrients and key elements, these additives will help you achieve outstanding results, whether in the growing or flowering phase.

Why choose our horticultural additives?

Growthstimulators: Accelerate root, stem and leaf development with formulas specially designed to promote rapid, vigorous growth.

Flowering and fruitingboosters: Our additives help increase the yield and quality of flowers and fruit, by optimizing the production of sugars and resins.

Resistance enhancers: Boost your plants' resistance to disease, deficiencies and environmental stress with products that support their natural immune system.

Formulations adapted to all growing systems: Whether you grow in soil or hydroponics, our additives are adapted for every type of crop.

Applications :

Soil enrichment and nutrient solutions.

Improve root health and overall plant development.

Stimulate richer, more abundant flowering.

Choose our horticultural additives to guarantee your plants optimum nutrition and healthy, bountiful harvests!

optimize growth and flowering depending on the method of indoor cultivation, whether planted in soil/soil, aeroponics/soilless, or hydroponics.

Indoor discount presents all kinds ofadditives (all substrates, organic...) for the proper development of your plants:
- for roots,
- for flowering,
- with beneficial bacteria,
- foliar stimulators,
- vitamins and hormones,
- Mono-components (products containing a single predominant molecule which you will probably use to stimulate, improve yield, etc., or care for your plants). or to treat your plants),
- Peroxide H2O2 (a molecule which, among other biochemical actions, removes chlorine from water and sterilizes it by adding it to the water beforehand. This will also degrade any pesticides or herbicides that may be present, as well as any other organic matter),
- humic fulvic (humic acids improve plant health and yield),
- enzymes (act as gas pedals - catalysts - for a whole series of biochemical processes in the plant. They improve the water-holding capacity and aeration of the substrate. Dead parts decompose more rapidly, releasing numerous nutrients. The root system performs better),
- guano (this is an organic compound - bird droppings - also known as "ground fertilizer" rather than maintenance fertilizer. It's rich and slow-acting).

Discover all the types of fertilizers available in our department:

  • Liquid mineral fertilizer
  • Water-soluble powder fertilizer
  • Ultra-concentrated NPK gel fertilizer with calcium + magnesium and trace elements
  • Organic granular fertilizer
  • Organic fertilizer
  • Vegan Fertilizer
  • NPK Fertilizers
  • NK fertilizer
  • Beet molasses
  • Flower Fertilizer
  • Hemp Fertilizer
  • Vegetable Garden Fertilizers

A wide range of fertilizers for hydroponics, aeroponics and coco fiber:

  • Specific fertilizer formulations for soilless cultivation
  • mineral fertilizer
  • easy-to-use fertilizer
  • concentrated powder fertilizer

A wide range of Ph regulators to lower and raise the PH of your nutrient solution:

  • PH less liquid
  • PH more liquid
  • PH minus Organic
  • Ph minus powder

Additives help eliminate fertilizer residues, nitrates and trace elements: they also improve fertilizer absorption, prepare or develop a vigorous root system and better plant establishment, as well as boost yields, nutritional value and flavor. Additives also help resist pathogenic diseases and fungi.

A wide range of fertilizer brands are available in our online store:

  • Platinium Nutrients
  • Vaalserberg Garden
  • 420 nutrients
  • Canna
  • Biocanna
  • Plagron
  • Biobizz
  • Hesi
  • Atami
  • Biotabs
  • Bionova
  • Growth technology
  • Guano diffusion
  • Or Brun
  • VG Garden
  • Athéna
  • Floraflex
  • Terra Aquatica
  • Hydropassion
  • Advanced Nutrients
  • Aptus
  • GHE
  • Metrop
  • Feeding Powder


Your additives at the web's lowest prices on Indoor Discount !

At Indoor Discountmake hydroponics rhyme with savings!

428 produits correspondant
Sort by:
Relevance