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The best biological fertilisers in comparison

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Last updated on 03.04.2025

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API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle

API

34% off

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9,9

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Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
Formulated for rapid absorption in freshwater aquarium plants
Use for weekly monitoring and when water or fish problems appear

£ 12.17

£ 12.89

£ 21.50

Westland GF6279 Superphosphate Fertiliser Fruit and Vegetable Ripener, 1.5 kg

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9,8

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Formulated for use all around the garden
It encourages healthy root development when planting trees and shrubs
Provides stronger, healthier rooting, abundant, tastier crops
Fertiliser NPK 0.0 - 17.0 -5.0

envii SeaFeed Xtra – Organic Seaweed Fertiliser, Liquid Outdoor Plant Food Ideal for all Plants, Lawns, Gardens and House Plants, Rich in Additional Nutrients - 1 Litre Makes up to 500L

envii

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9,7

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Boosts Plant Growth & Crop Yields - Natural Seaweed fertiliser that enhances strong & healthy plant growth, promotes lush foliage, and increases crop yields for thriving plants.
100% Organic & Vegan - Seafeed Xtra is made from natural, sustainably sourced ingredients & certified Organic by OF&G.
User Friendly Design Comes with an easy-to-use bottle featuring a built-in measuring chamber for hassle-free application. One litre of Seafeed Xtra makes up to 500 litres of feed when diluted, suited for all size gardens.

Empathy - After Plant Ericaceous with rootgrow 10kg

Empathy the biological choice

6% off

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9,5

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Good for all acid loving and ericaceous plants
Alternative to chemical or synthetic fertiliser

Microbe-Lift Plants Green plant fertiliser, for all types of aquatic plants in any freshwater aquarium, 100 % organic, enough for up to 9,000 litres, various sizes

Microbe-Lift

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9,4

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MICROBE-LIFT- Is one of the world's leading companies in biological water treatment. The products are among the most environmentally friendly on the market - the application is safe and harmless, all products are biodegradable.
APPLICATION The fertiliser should be applied 1-2 times a week. Measure 5ml per 100L and mix into the aquarium water. Depending on the number, density and size of the plants, the dose can also be increased slowly.
100% BIOLOGICAL The fertiliser is 100% biological and free of nitrate and phosphate. This means that the fertiliser is absolutely safe for fish, shrimps and other creatures in the aquarium.

TNC Complete - Liquid Aquarium Plant Food/Aquatic fertiliser (250ml)

TNC

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9,4

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Ideal for high light CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Economic - Concentrated formula & integrated measuring bottle - 250ml will treat 2500 litres of tank water

Fluval Cycle Biological Enhancer, 250 ml ( Packaging may vary)

Fluval

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9,4

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Powerful team of beneficial bacteria immediately inoculates aquarium water
Will not harm plants; animals or humans
Size 8.4 oz.

£ 10.49

£ 7.99

Blagdon Flora Boost Pond Plant Food Fertilizer, Stimulates Growth & Flowers, Prevents Algae Growth, 250ml, Treats 2,273 Litres

Blagdon

31% off

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9,3

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ENCOURAGES FLOWERS - great for Lily and other pond plant growth, stimulates growth and flowering plants
ACCURATE DOSING CHAMBER - the accurate dosing chamber makes for easy, no mess measurement of treatment to suit the size of pond shake bottle well for best results
HARMLESS TO FILTERS this product is harmless to filters and all species of pond fish, plants and water using wildlife

£ 7.95

£ 9.80

£ 10.72

Biological Fertilizers; Barriers and Challenges

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9,2

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Recommendation

Efficiency of use Biological Fertilizer on Yield of TOBACCO

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9,2

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This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these biological fertilisers.

BAC Flowering Organic Bloom Fertilizer (1L)

Brand BAC Biological Activated Cocktail

free shipping

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Biological Additive Series GHE Mineral Magic Flora (1kg)

Biological Additive Series Ghe Mineral Magic Flora 1Kg

free shipping

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Biological fertilizer GHE BioThrive Grow (500ml)

free shipping

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Organic Chemistry of Biological Pathways

Palgrave

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Environmental & Biological Assessment of Fertilizer Industry Emissions: Emissions Monitoring Oxidative Stress Biomonitoring Statistical Analysis of Integrated Monitoring and Biomonitoring

~~£ 72.00~~ free shipping

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Granulated Manure Fertilizer 8L - Natural Growth Booster | Ideal for Vegetables, Fruits & Ornamentals

Slow-Release Formula - Feeds plants for up to 3 months without over-fertilizing

free shipping

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Crop Nutrient Requirements and Advanced Fertilizer Management Strategies

Mdpi AG

~~£ 84.68~~ free shipping

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Chemical Structure and Reactivity: An Integrated Approach

OUP Oxford

~~£ 68.99~~ free shipping

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Multi-Mite 10 Ltr Liquid Seaweed + Granules – 100% Natural & Organic Concentrate Cold Pressed Plant Feed & Soil Fertiliser Trees Lawn Veg House Plants Root or Foliar Feeding (10 Litres WITH GRANULES)

Multi-Mite Organic 10 ltr Liquid Seaweed Concentrate with Granules- Is 100% Natural and Organic Plant Feed and Plant and Soil Conditioner - COLD PRESSED. Suitable for use on lawns, gardens, sports greens and agricultural land and used all over in Football League Club grounds. Liquid Seaweed helps Promote Stress Resistance, Healthy Sytems from Roots to the leaves. It also Greatly helps to increase soil fertility. Our Seaweed is made from Ascophyllum Nodosum, concentrated from the West Coast of Ireland.

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JBL Ferropol 250 ml, Plant fertiliser for freshwater aquariums

For intensive leaf colouring thanks to its ideal concentration and compound of iron

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AMK® Empathy Rootgrow Mycorrhizal Fungi 150g RHS Endorsed For Plant Root Strength Trees Shrubs Roses Feed Food Fertiliser

One application supports a plant for life

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FZONE Aquarium Root Fertiliser Spikes, NPK High-Concentration Easy Green Aquarium Fertiliser, Freshwater Aquarium Plant Fertiliser for Plant and Root Growth (25 Spikes Per Box)

Usage--Each box comes with 25 fertiliser spikes, each capable of treating a 10x10 cm area. One box is suitable for a 60x40x40 cm aquarium. For optimal plant growth, it's advised to change half of the aquarium's water the day following the fertilizer application. When water temperature rises above 77.0 F, the period of peak nutrient release occurs sooner, necessitating more frequent water changes.

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The best biological fertilisers in comparison

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Features

Features

Features

Features

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Features

You might also be interested in these biological fertilisers.

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