FERTILIZERS AND ADDITIVES

In the cultivation of cannabis plants, the use of fertilisers is an essential part for the growth of plants, because they provide the necessary elements in each of its phases, growth and flowering.

A plant with the necessary nutrients is much more productive, has a better quality in terms of principles and organoleptic effects (smell, taste...).

We offer a wide range of fertilisers, growth and flowering products for different types of cultivation, such as soil, coco, hydroponics, etc. You will also find different biological and mineral lines, including root stimulators, flowering stimulators, etc.

Buy fertilizers for cannabis:

GROTEK

MARIA GREEN

BIOBIZZ

HESI

CANNA

BIOCANNA - CANNA

ADVANCED NUTRIENTS

PLAGRON

JBQ

HOUSE & GARDEN

EXCELLENT NUTRIENTS

GROWTH TECHNOLOGY - IONIC

HY-PRO

GUANOKALONG

BRUTAL BUDS

SUBSTRATES

METROP

Plus

Showing 97 - 120 of 212 results

HESI BOOST

PRICE 500ML : 11 € 9,35 €

PRICE 1L : 19 € 16,15 €

PRICE 2,5L : 35 € 29,75 €

PRICE 5L : 71 € 60,35 €

PRICE 10L : 118 € 100,30 €

HESI SUPERVIT

PRICE 10ML : 9,50 € 8,08 €

PRICE 50ML : 24 € 20,40 €

PRICE 100ML : 43 € 36,55 €

PRICE 500ML : 149 € 126,65 €

HY-PRO PH- DOWN

PRICE 500 ML. : 4,50 €

PRICE 1L : 8 €

IGUANA JUICE BLOOM

PRICE 1L : 34,50 € 32,78 €

PRICE 5L : 136,50 € 129,68 €

PRICE 10L : 206 € 195,70 €

PK 13-14

PRICE 250ml : 5,60 €

PRICE 500ml : 8,40 €

PRICE 1L : 12 €

PRICE 5L : 54,50 €

BIO HEAVEN

PRICE 250ML : 19,50 € 17,55 €

PRICE 500ML : 38 € 34,20 €

PRICE 1L : 65 € 58,50 €

PRICE 5L : 324 € 291,60 €

PRICE 10L : 620 € 558 €

ROCKWOOL PLUGS

Rockwool 21 plugs : 4 €

Rockwool 28 plugs : 5 €

Rockwool 77 plugs : 10 €

MR2 METROP 250ml

PRICE 250 ML : 24,50 € 23,28 €

PRICE 1L : 49 € 46,55 €

NACRE GROW - ÁDAMAS

PRICE 1L : 20,65 €

CANNA TERRA FLORES

PRICE 1L : 11 €

PRICE 5L : 39 €

IONIC HYDRO BLOOM

PRICE 1 L. : 9 €

ALG-A-MIC

PRICE 250ML : 5,80 € 5,22 €

PRICE 500ML : 10,70 € 9,63 €

PRICE 1L : 16 € 14,40 €

PRICE 5L : 65 € 58,50 €

PRICE 10L : 118 € 106,20 €

PRICE 20L : 224 € 201,60 €

GREEN SENSATION

PRICE 100ml : 25 €

PRICE 250ml : 45 €

PRICE 500ml : 90 €

PRICE 1L : 139 €

PRICE 5L : 527 €

NACRE BLOOM - ÁDAMAS

PRICE 1L : 18,15 €

HESI POWER ZYME

PRICE 500ML : 11,50 € 9,78 €

PRICE 1L : 17 € 14,45 €

PRICE 5L : 66,50 € 56,53 €

PRICE 10L : 119,90 € 101,92 €

VOODOO JUICE

PRICE 250ml : 20,50 € 19,48 €

PRICE 500ml : 37,50 € 35,63 €

PRICE 1L : 68 € 64,60 €

PRICE 5L : 295 € 280,25 €

PRICE 10L : 399 € 379,05 €

All Mix BioBizz

PRICE 20L : 7 €

PRICE 50L : 15 €

PIRANHA

PRICE 250ml : 20,50 € 19,48 €

PRICE 500ml : 37,50 € 35,63 €

PRICE 1L : 68 € 64,60 €

PRICE 5L : 275 € 261,25 €

PRICE 10L : 399 € 379,05 €

LABRADORITE - ÁDAMAS

PRICE 500ML : 19,40 €

ACTI VERA

PRICE 250ML : 7,50 € 6,75 €

PRICE 500ML : 13,70 € 12,33 €

PRICE 1L : 24 € 21,60 €

PRICE 5L : 108 € 97,20 €

SUGAR ROYAL

PRICE 100ml : 18 €

PRICE 250ml : 31,90 €

PRICE 500ml : 46,50 €

PRICE 1L : 74,30 €

PRICE 5L : 312 €

Metrop Amino Bloom (Xtrem)

PRICE 250 ML : 24,50 €

PRICE 1L : 49 €

CANNA BOOST ACCELERATOR

PRICE 250ML : 22 €

PRICE 1L : 55 €

HESI GROWTH HYDRO

PRICE 1L : 9,90 € 8,42 €

PRICE 5L : 29,50 € 25,08 €

PRICE 10L : 52 € 44,20 €

PRICE 20L : 89 € 75,65 €

Showing 97 - 120 of 212 results

The Most Sold

BUD FACTOR X

74,10 € 78 €

BUD IGNITOR

74,10 € 78 €

BUDDHA PURPLE KUSH AUTO

5,95 € 7 €

AMY LITTLE ZURI V2 HOOKAH

72 €

CANNA BOOST ACCELERATOR

22 €

CARBOLOAD

19,95 € 21 €

CHRONIC THUNDER

6,80 € 8 €

CINNAPROT

5,53 € 6,50 €

Adhesive tapes catches insects

8,42 € 9,90 €

Fertilisers for cannabis growing: Boosting your cannabis garden

To maximise the health and yield of your cannabis plants, choosing the right nutrients is essential. In this category, you will find the different types of fertilisers available for cannabis growing, offering valuable information to help you make decisions and boost your cannabis plants. Get ready to discover the options that will allow you to grow strong and productive plants.

Organic fertilisers for cannabis growing

Organic fertilisers are an excellent choice for growers who want a natural and environmentally friendly approach. These fertilisers are composed of organic materials such as manure, compost, bat guano and seaweed. They provide essential nutrients to plants in a gradual way, which promotes healthy growth and a high quality harvest.

Organic fertilisers have additional benefits, as they improve the soil structure, increase its water holding capacity and encourage the activity of beneficial micro-organisms. This creates a favourable environment for root development and maximises nutrient uptake by plants.

With organic fertilisers we will enhance the organoleptic properties, improving the quality, flavour and aroma of our buds.

Mineral fertilisers for cannabis growing

Mineral fertilisers are synthetic products containing nutrients in the form of soluble salts. These fertilisers offer a quick availability of nutrients to plants, which can be especially useful in situations where immediate feeding is required.

Mineral fertilisers are composed of a combination of macronutrients, such as nitrogen (N), phosphorus (P) and potassium (K), together with micronutrients such as iron (Fe), zinc (Zn) and manganese (Mn). These elements are essential for the growth and development of cannabis plants.

It is important to use caution when using mineral fertilisers, as excessive use can affect the health of the soil and the nutritional balance of the plants. It is recommended to follow the manufacturer's instructions and to regularly monitor the pH and EC (electrical conductivity) of the soil to avoid nutritional imbalances.

With mineral fertilisers we will be able to maximise the yield of our cannabis plants.

Slow release fertilisers for cannabis growing

Slow release fertilisers are a convenient option for growers looking for a constant and prolonged feeding of their plants. These fertilisers are formulated with coated granules that gradually release nutrients as they are required by the plants.

The slow release of nutrients provides continuous feeding over time, reducing dependence on frequent fertiliser applications. This is especially beneficial for those who cannot devote much time to daily plant care.

Slow release fertilisers come in different formulations and release durations, allowing them to be tailored to the specific needs of each phase of cannabis cultivation. These fertilisers provide balanced and consistent nutrition throughout the plants' life cycle, promoting healthy growth and optimal bud yields.

It is important to follow the manufacturer's recommendations when applying slow-release fertilisers and to take into account the duration of nutrient release in order to adjust the appropriate dosage and application time.

Specific fertilisers for specific growing stages - Stimulators or boosters

In addition to general fertilisers, there are specific fertilisers designed to meet the nutritional needs of cannabis plants at different stages of their life cycle. Also known as boosters. These fertilisers are usually formulated with a precise ratio of nutrients, adapted to the particular demands of each stage.

During the vegetative growth stage, nitrogen-rich fertilisers are ideal for promoting the development of strong leaves and stems. These fertilisers stimulate lush growth and provide the basis for a healthy and robust plant. The best known are the root stimulators.

During the flowering stage, fertilisers with a higher proportion of phosphorus and potassium are essential for the development of dense, resinous buds. These nutrients favour the formation of flowers and improve the quality of the final harvest, mainly boosters or flowering stimulators.

Fertilisers for growing methods - Soil, coco, hydroponics, aeroponics

Growing methods can vary for each grower, although the most common is usually in soil cultivation, there are also coco, hydroponics, aeroponics and others. Whatever your growing method is, at Calle25 we offer you the fertilisers that best suit you, your plants and your crop.

Recommendations for choosing the right fertiliser

When selecting fertilisers for cannabis cultivation, it is important to keep a few key aspects in mind:

- Nutritional composition: Check the composition of the product and make sure it contains the necessary nutrients for each stage of the crop. Look for a balanced ratio of macronutrients (nitrogen, phosphorus and potassium) and the presence of essential micronutrients.

- Formulation: Consider whether you prefer organic, mineral or slow-release fertilisers, depending on your personal preferences and the approach you want to take to your crop.

- Brand quality and reputation: Do your research and choose reliable, industry-recognised brands. All brands marketed on Calle25 are well-known brands with a long history in the cannabis industry.

- Dosage and application: Follow the manufacturer's recommendations for dosage and timing of application. Remember that excessive use of fertiliser can cause nutritional imbalances and affect the health of your plants.

Our cannabis plants need nutrients for their correct development, and what better than feeding them. With this we will see its development from a small cannabis seed to a huge monster full of buds, strong and hard and compact.

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