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7 bestKelp For Gardenof September 2025

112M consumers helped this year.

1

Envii Seafeed Xtra - Organic Liquid Seaweed Fertiliser - 10 Litre

Envii Seafeed Xtra - Organic Liquid Seaweed Fertiliser - 10 Litre

Envii Seafeed Xtra - Organic Liquid Seaweed Fertiliser - 10 Litre

envii

9.7

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2

Premium Certified Organic Liquid Seaweed Fertilizer - Concentrated Feed for Plants, Lawns, and Vegetables - The Shropshire Seaweed Company (1L)

Premium Certified Organic Liquid Seaweed Fertilizer - Concentrated Feed for Plants, Lawns, and Vegetables - The Shropshire Seaweed Company (1L)

Premium Certified Organic Liquid Seaweed Fertilizer - Concentrated Feed for Plants, Lawns, and Vegetables - The Shropshire Seaweed Company (1L)

Sea-Chem

9.4

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3

Maxicrop POPGS61L Original Seaweed Extract Organic Plant Growth Stimulant, 1L - Natural Seaweed Extract Fertiliser - Boosts Healthy Root Development - Approved for Organic Growing - Plant Nutrition

Maxicrop POPGS61L Original Seaweed Extract Organic Plant Growth Stimulant, 1L - Natural Seaweed Extract Fertiliser - Boosts Healthy Root Development - Approved for Organic Growing - Plant Nutrition

Maxicrop POPGS61L Original Seaweed Extract Organic Plant Growth Stimulant, 1L - Natural Seaweed Extract Fertiliser - Boosts Healthy Root Development - Approved for Organic Growing - Plant Nutrition

Maxicrop

9.1

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8% off

4

Doff Liquid Seaweed Concentrate – 1L Natural Fertiliser for Healthy Growth of Flowers, Fruit, Vegetables & Shrubs – Seaweed Plant Food – Encourages Root Development – Makes 300L Feed

Doff Liquid Seaweed Concentrate – 1L Natural Fertiliser for Healthy Growth of Flowers, Fruit, Vegetables & Shrubs – Seaweed Plant Food – Encourages Root Development – Makes 300L Feed

Doff Liquid Seaweed Concentrate – 1L Natural Fertiliser for Healthy Growth of Flowers, Fruit, Vegetables & Shrubs – Seaweed Plant Food – Encourages Root Development – Makes 300L Feed

Doff

8.8

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5

Maxicrop XNATF61L All Purpose Organic Garden Natural Fertiliser, 1L - All Purpose Organic Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Indoor and Garden Use

Maxicrop XNATF61L All Purpose Organic Garden Natural Fertiliser, 1L - All Purpose Organic Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Indoor and Garden Use

Maxicrop XNATF61L All Purpose Organic Garden Natural Fertiliser, 1L - All Purpose Organic Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Indoor and Garden Use

Maxicrop

8.5

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22% off

6

Maxicrop PPCGF61L Complete Garden Feed, 1L - All Purpose Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Plant Nutrition - Indoor and Garden Use

Maxicrop PPCGF61L Complete Garden Feed, 1L - All Purpose Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Plant Nutrition - Indoor and Garden Use

Maxicrop PPCGF61L Complete Garden Feed, 1L - All Purpose Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Plant Nutrition - Indoor and Garden Use

Maxicrop

8.2

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7

Elixir Gardens | Calcified Seaweed Organic Kelp Coral Fertiliser & Soil Conditioner | 500g-25kg Bags To Choose From | Treats 6-7m² | 500g Bag

Elixir Gardens | Calcified Seaweed Organic Kelp Coral Fertiliser & Soil Conditioner | 500g-25kg Bags To Choose From | Treats 6-7m² | 500g Bag

Elixir Gardens | Calcified Seaweed Organic Kelp Coral Fertiliser & Soil Conditioner | 500g-25kg Bags To Choose From | Treats 6-7m² | 500g Bag

Elixir Gardens

7.9

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