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Best Npk 20 20 20 - Holidays Sale

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Last Updated - 14.12.2025

Best Choice

01

LanDixx

NPK 15-15-15-2 Professional Full Fertiliser with Long-Term Effect and Sulphur

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9.8

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.

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Main highlights

This universal fertiliser is the optimal solution for most crops.
Secure high yields and a harmless harvest quality.
Nitrogen, phosphorus and potassium are with the most important nutrients for many plants. In our fertiliser 2% sulphur is added to improve nitrogen efficiency.
LanDixx full fertiliser, here you will find many nutrients in one grain.
Applications: Lawn, pastures, vegetables, fruit, flowers, roses, ornamental shrubs.

34,95 €
02

Ruemar

Ruemar Blue Fertiliser, NPK Fertiliser for Plants, Universal Long-Term Fertiliser for Fruit and Vegetables, Flowers and Balcony Plants, Organic, Indoor Plants, All Garden Crops, 20 kg

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9.7

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.

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High-quality fertiliser: RUEMAR blue fertiliser is a mineral NPK (nitrogen, phosphorus and potassium) fertiliser for all garden crops. With the slow-release fertiliser, you give your plants all the important nutrients they need for healthy growth.

31,99 €
03

Symbioethical

SYMBIOETHICAL - NPK 20-20-20 Universal Fertiliser with Nitrogen, Phosphorus, Potassium and Micronutrients, Complete Activator, Made in Italy, 1 kg

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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.

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Versatile use: suitable for balcony, garden and vegetable plants, provides a complete and balanced diet, ideal for preventing nutrient deficiencies that can lead to yellowing, delayed growth and low flowering and fruiting.
PLANTS IN BALANCE: SYMBIOETHICAL 20.20.20 promotes strong, strong and balanced plants thanks to its balanced composition of nitrogen, phosphorus and potassium, which are essential for optimal growth.
Made in Italy: Made in Italy in the laboratories of R&S Symbiagro, with formulations used in professional agriculture and high-quality raw materials that respect the health of plants and the environment.
Frequency of use: to ensure constant nutrition and optimal plant growth, it is recommended to use the product once a week from March to October and once every two weeks from November to February.
Easy to use: it is recommended to dilute 8-9 g of the product in 5 litres of water for potted plants or 2 litres of water for leaf spraying. For direct soil application, spread 8-9 g on moist soil or use a dosage of 2 g per litre of water in hydroponics.

20,50 €
Value for Money

04

FRUCTUS

Garden Fertiliser Vegetable Fruit Trees Plants Universal Full Fertiliser NPK 20-20-20 2.5 kg

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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.

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Main highlights

This fertiliser is an excellent choice for anyone looking for a high quality fertiliser that ensures the health and beauty of their plants.
It is intended for general use, strongly stimulates plant growth and is recommended in stressful situations when the nutrient absorption of the plant is restricted.
It is a universal fertiliser that can be used for growing many types of plants, including vegetables, strawberries, fruit plants and flowers.
It can also be used in growing potatoes, rapeseed, grains, corn and other plants that need accelerated growth.
FRUCTUS Professional NPK 20-20-20 + micro is a crystalline mineral fertiliser for horticulture, perfectly balanced and with a high nutrient concentration.

23,99 €
05

LanDixx

LanDixx NPK 15+15+15 (+S) Complete Fertiliser & Lawn Fertiliser 10 kg with Long-Term Effect - Universal Fertiliser for All Soils - Basic Fertiliser for All Flowering Plants - Also Provides Your

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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.

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Main highlights

LanDixx complete fertiliser, here you will find many nutrients in one grain
An all-rounder for many crops, including lawn fertiliser
Stickfabric, phosphorus and potassium are the most important nutrients for many plants. In our complete fertiliser there are also 2% sulphur to improve nitrogen efficiency.
Excellent immediate effect
Ensure high yields and a harmless harvest quality
Areas of use: lawn, pasture, vegetables, fruit, flowers, roses, ornamental shrubs.

20,95 €
06

Herbva

Grow Fertiliser Indoor Plants - Herbva Liquid Fertiliser NPK 8-8-6 - Universal Fertiliser for Indoor and Garden Plants | NPK Plant Fertiliser for Indoor Plants - Perfect for Growth and Flowering | 500

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9.1

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.

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Main highlights

Perfect nutrient balance: contains nitrogen (8%), phosphate (8%) and potassium (6%) as well as trace elements - ideal for green plant fertiliser and liquid fertiliser indoor plants.
Made in Germany: manufactured to the highest quality standards, our universal fertiliser liquid is perfect for room, balcony and garden plants.
Highly effective liquid fertiliser for plants: our indoor plant fertiliser provides an ideal nutrient supply, promotes healthy growth and supports flower formation.
For many types of plants: perfect for herbs, ornamental plants, tomatoes and palm trees. Works great as an autoflower fertiliser or flowering plant fertiliser liquid.
Easy to use: practical dosing cap for precise mixing - 20 ml per 10 litres of water. Ideal for use as a plant fertiliser liquid or for hydroponics.

9,99 €
07

ARKA

NPK Aquarium Fertiliser - ARKA Plants NPK 236 ml - with Nitrate, Phosphate & Potassium - Strong Growth, Rich Colours & Strong Roots - Ideal for Aquascaping & CO₂ Plant Aquariums

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8.9

Very Good

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Suitable for all types of basins. Suitable for aquascaping, social pools and shrimp. Ideal in CO₂ systems or even low-tech layouts - flexible dosing & safe for all residents. Designed for demanding aquarists.
Precise dosage and use: aquariums with plenty of light: daily 5 ml/100 L. Low light: 2ml/100L daily No CO₂: 1× per week. Liquid formula for fast absorption - no turbidity, no residue, only clear growth.
Made in Germany – ARKA QUALITÄT ARKA steht für biotechnologische Expertise & nachhaltige Aquaristikprodukte. Developed and produced in Germany - proven by breeders and scapers worldwide. Quality you can trust.
Growth and colours maximises vigorous plant growth, rich colours and strong leaves: Plants NPK delivers precisely dosed nitrate, phosphate and potassium for visible success - ideal for plant aquariums with CO₂ and strong lighting.
Complete macro supply: an NPK fertiliser for every aquarium plant: specifically closes nutrient gaps and prevents deficiency symptoms – whether stem plant, moss, ground cover or ride-on. Can be combined with iron and micro-preparations.

6,13 €
08

Aqua Rebell

Makro Basic NPK I Water Plants Aquarium Fertiliser for Optimal Supply of Plants in the Aquarium, 1l

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8.8

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.

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Main highlights

Suitable for shock fertilisers during water change to react very flexibly to certain deficiency symptoms
Phosphate limitation designed to be the key to algae free aquarium
Perfect for closing nutrient gaps in the area of macronutrients and preventing algae growth.
Ideal for planted fish aquariums, aquascaping and shrimp basins
Contains the essential macronutrients nitrate, phosphate and potassium as a basis for supplying water plants

20,24 €
09

GREEN24

Purital E20 Nitrogen Fertiliser 250 ml - Professional Growth Fertiliser 20% Nitrogen Magnesium Trace Elements - Liquid Fertiliser Leaf Fertiliser Cultivation Fertiliser - High-Tech Nitrogen

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16% Off
8.7

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.

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Main highlights

Professionally developed – single nutrient fertiliser NPK 20-0-0-(1.6) for targeted nitrogen supply, can be mixed with other purital fertilisers, particularly effective against bud and fruit formation, quality from Germany
Magnesium power included – 1.6% magnesium for perfect photosynthesis and rich green leaves. Full spectrum trace elements (boron, copper, manganese, molybdenum, zinc). Like a multivitamin for your plants. Optimised chlorophyll formation
Extremely economical – 250 ml concentrate yields at least 75 litres of finished fertiliser. Months-long supply. Professional gardener quality at a fair price. Highest purity and effectiveness
EXPLOSIVE GROWTH - Highly concentrated nitrogen fertiliser with 20% N for maximum growth promotion | Perfect for cultivation, leafy vegetables and green plants | Instant effect thanks to complex compounds | Professional quality made in Germany
Double use: root and leaf fertilisation possible, flexible dosage as needed, immediate help with nutrient deficiency, ideal for all types of plants in the home and garden, easy to use via the cap

9,95 € 11,95 €(16% Off off)
10

Plantura

Plantura Organic Indoor and Green Plant Fertiliser, Liquid Fertiliser for Indoor Plants and Palm Trees, 800 ml

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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.

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Main highlights

The liquid indoor plant fertiliser is particularly easy to use via irrigation water thanks to the dosing cap in the lid
Produced in resource-saving way and comes in a bottle that consists of at least 95% recycled plastic (HDPE) without the cap
Our Plantura organic indoor and green plant fertiliser is a high-quality organic liquid fertiliser for all green plants such as indoor plants, palm trees and shrubs
Extremely high effectiveness with an NK ratio of 3-4 and 100% natural and animal-free ingredients for strong, rich green plants
Animal-free and safe for domestic and garden animals, the ideal choice for animal lovers.

12,99 €