Best Compost Accelerators 2026

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Last Updated - 22.07.2026

Best Choice

01

HaGaFe

HaGaFe Organic Quick Compost Accelerator Compost Aid Compost (30 kg (3 x 10 kg))

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9.9

Exceptional

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Main highlights

Promotes optimal composting, creating high temperatures that kill weed seeds and pathogens
Improves finished compost by enriching with nutrients
Contains important nutrients that promote the reproduction of beneficial microorganisms in the compost
Accelerates the conversion of organic garden and kitchen waste into fertile compost soil

38,97 €
02

Organifer

Compost Accelerator - 20 kg for 100-400 M2/20 M3 - For Garden and Kitchen Waste - Humus-rich, Odourless Compost, Improves Soil Life - Organic Guano - Organifer

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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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Main highlights

Strengthens soil life: promotes earthworms and microbes for fertile soil and stronger root development.
ORGANIC FORMULA: Safe formula with guano, minerals and 58% organic matter for long-term fertility.
MOISTURE RICH RESULTS: Creates odorless, airy compost that improves soil structure and nutrient retention.
FAST COMPOSTING: Activates micro-organisms for fast, natural decomposition of garden and kitchen waste.
EASY TO USE: Sprinkle in layers or per compost pile for even results and maximum composting efficiency.

34,99 €
03

Dehner

Dehner Organic Compost Accelerator, High-Quality Natural Fertiliser, Quick Composter, Ecological Compost Aid, Organic, Mineral, 5 kg, for Approx. 8 m² of Green Goods, Colourful

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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.

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Main highlights

The fermentation process begins just a few days after sprinkling
Starts and optimises heat fermentation
Ready-to-use bio-active composting agent
Organic mineral natural fertiliser NPK 3+1+1
Ecologically valuable, purely natural substances

14,99 €
04

Neudorff

Neudorff Radivit Compost Accelerator 1 kg for 2 m³ - Organic Quick Composter Decomposes Compost Waste with Instant and Long-Term Effect. Compost Starter

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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

Nutrient Rich Compost - Mycorrhiza improves root growth, increases resistance and promotes flowering power and crop yield. The micro-organisms accelerate the decomposition process and promote soil fertility
Natural and harmless: the composting agent made from natural raw materials is safe for humans and animals
Immediate and long-term effect: the decomposition process starts immediately after spreading the compost aid or granules and ensures a healthy, long-term fertile soil
Eliminates weed seeds and germs: especially in the thermal composter, there is a first heat phase in which many weed seeds and unwanted germs die. Also suitable for open compost rentals
Accelerated Composting Organic compost accelerator quickly decomposes all garden and kitchen waste as well as tree and lawn clippings into valuable compost. Sufficient for 33 m² area or 2 m³ of compost material

7,99 €
Value for Money

05

Gärtner's

Gärtner's Compost Accelerator, 2.5 kg, Highly Effective Composting Solution for Home and Allotment, for Fast Humus Production

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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.

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Main highlights

Wide applicability: suitable for home and allotment. Our compost starter helps to make valuable fertiliser from kitchen scraps and garden waste.
Practical Tips To keep vermin away, we recommend not to compost fried or steamed food leftovers. Promote a balanced mix of different compost materials for best results.
MICRO ORGANISM ACTIVATION By stimulating essential microorganisms, the product promotes the rotting process, resulting in faster preparation of high quality humus.
Highly effective formula: Gärtner's compost accelerator uses an organic-mineral composition to speed up the composting process and effectively implement hard-to-degradable substances.
Easy to use: For best results, spread 100-250 g/m² evenly over each layer of compost 20-30 cm thick. This promotes decomposition evenly.

9,28 €
06

envii

Envii Compost Accelerator – Compost Accelerator & Activator Speeds Up Composting Process – 12 Tablets

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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

NATURAL COMPOST ACCELER: Envii compost accelerator accelerates the decomposition of organic garden and kitchen waste with the help of millions of beneficial bacteria. This produces high-quality, healthy compost all year round.
GREAT FOR ALL TYPES OF COMPOST BINS Each tab contains millions of beneficial bacteria that are suitable for all compost bins, large or small. Each pack contains 12 tabs that are enough to treat 1,800 litres of compost.
Easy to use: add 1 tab to a watering can per treatment - no powder or pods that take months to decompose! The application starts to work immediately.
CREATES PERFECT COMPOST The compost accelerator combines multiple strands of beneficial bacteria, enzymes and marine algae to create an environment where perfect compost is created. By reaching optimal temperatures faster, a healthy, nutrient-rich compost is created all year round.
CONTAINS ESSENTIAL NUTRITIONS AND BACTERIES Our compost accelerator contains a unique blend of natural bacteria and seaweed to optimize the quality and health of home-made compost. With the addition of seaweed, the mixture is so rich in nutrients that a rich harvest is produced and your plants stay stronger and healthier. Suitable for all kinds of indoor plants, vegetables and flowers.

14,99 €
07

Moutta

Pack of 500 Compost Worms (250 g) | Eisenia Earthworms, Compost Your Organic Waste - For Vermicomposter/Composter/Garden

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8.6

Very Good

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Main highlights

With instructions: we explain everything: how to store them, put them in a worm composter, grow them for fishing or settle them back in your garden/vegetable garden.
The best compost worms: mix of 3 varieties (adult, pre-adult) for optimal compost. Eisenia Foetida, Eisenia Andrei and Eisenia Hortensis - all bred with love on the farm.
SATISFACTION OR MONEY BACK: Buy live worms, we have been delivering all over Europe since 2007. Guarantee for hassle-free delivery, in summer we put cooling blocks in the packages.
Colonise your worm composter or garden compost container. Our worms can be restored in your garden/vegetable garden. They multiply very quickly. Used in a compost or manure heap, they make fertiliser out of it.
As bait when fishing or for animal feeding - Our worms are used by thousands of fishermen and the fish love them. Treats for your animals (birds, frogs, reptiles, lizards, snakes, axolotl, etc.)

26,90 €
08

Organifer

Compost Accelerator - 10 kg for 50-200 M2/10 M3 - For Garden and Kitchen Waste - Humus-rich, Odourless Compost, Improves Soil Life - Organic Guano - Organifer

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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.

Show more
Main highlights

Strengthens soil life: promotes earthworms and microbes for fertile soil and stronger root development.
ORGANIC FORMULA: Safe formula with guano, minerals and 58% organic matter for long-term fertility.
MOISTURE RICH RESULTS: Creates odorless, airy compost that improves soil structure and nutrient retention.
FAST COMPOSTING: Activates micro-organisms for fast, natural decomposition of garden and kitchen waste.
EASY TO USE: Sprinkle in layers or per compost pile for even results and maximum composting efficiency.

26,99 €
09

Independently published

How to Make Compost : Composting Methods and Materials for Good Compost: Learn how to make and use compost effectively with this comprehensive guide for a greener lifestyle.
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.
Main highlights

14,97 €
10

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It Is About Compost: The Kinds Of Compost (English Edition)
8.2

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.
Main highlights

2,99 €