Flash 20 | Williams Co Supplies

1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK

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1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK

Regular price £13.99 GBP

Regular price ~~£15.99 GBP~~ Sale price £13.99 GBP
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1.5KG Sterile Rye Grain Spawn Bulk Buy - Save up to 25% | Professional Grade UK

1.5KG Sterile Rye Grain Spawn Bulk Buy - Save up to 25% | Professional Grade UK

Regular price From £66.45 GBP

Regular price ~~£15.99 GBP~~ Sale price From £66.45 GBP
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2.5KG Substr8™ High Performance Mushroom Substrate - Mix with Grain Spawn | Premium 8-Ingredient Formula UK

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2.5KG Substr8™ High Performance Mushroom Substrate - Mix with Grain Spawn | Premium 8-Ingredient Formula UK

Regular price £39.99 GBP

Regular price ~~£49.99 GBP~~ Sale price £39.99 GBP
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2KG All In One Mushroom Growing Kit - Complete Setup | Grain + Substrate Included UK

2KG All In One Mushroom Growing Kit - Complete Setup | Grain + Substrate Included UK

Regular price £19.99 GBP

Regular price Sale price £19.99 GBP
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2KG Sterile Rye Grain Spawn - Large Scale Growing | Premium Mushroom Substrate UK

2KG Sterile Rye Grain Spawn - Large Scale Growing | Premium Mushroom Substrate UK

Regular price £17.99 GBP

Regular price Sale price £17.99 GBP
Unit price per
3.5KG XXL All In One Mushroom Growing Kit - Maximum Yields | Serious Growers UK

3.5KG XXL All In One Mushroom Growing Kit - Maximum Yields | Serious Growers UK

Regular price £29.99 GBP

Regular price Sale price £29.99 GBP
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30-240L Substr8™ High Performance Mushroom Substrate | SAVE UP TO 30%

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30-240L Substr8™ High Performance Mushroom Substrate | SAVE UP TO 30%

Regular price From £199.99 GBP

Regular price ~~£239.94 GBP~~ Sale price From £199.99 GBP
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Lion's Mane (Commercial Strain) Mushroom Liquid Culture | Hericium Erinaceus

Lion's Mane (Commercial Strain) Mushroom Liquid Culture | Hericium Erinaceus

Regular price £12.99 GBP

Regular price Sale price £12.99 GBP
Unit price per
Lion's Mane Mushroom Grow Kit 1.5KG - Premium Gourmet Variety | Restaurant-Quality at Home UK

Lion's Mane Mushroom Grow Kit 1.5KG - Premium Gourmet Variety | Restaurant-Quality at Home UK

Regular price £29.99 GBP

Regular price Sale price £29.99 GBP
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Mycelial Growth Promoter™ 60ml

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Mycelial Growth Promoter™ 60ml

Regular price £14.99 GBP

Regular price ~~£19.99 GBP~~ Sale price £14.99 GBP
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Mycology Pop-Up Still Air Box SAB for Mushroom Growing

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Mycology Pop-Up Still Air Box SAB for Mushroom Growing

Regular price £29.99 GBP

Regular price Sale price £29.99 GBP
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Premium Manure Mushroom Substrate - Advanced Grower Formula | Maximum Yields for Experienced Cultivators UK

Premium Manure Mushroom Substrate - Advanced Grower Formula | Maximum Yields for Experienced Cultivators UK

Regular price From £24.99 GBP

Regular price Sale price From £24.99 GBP
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Sterile CVG Mushroom Substrate (Coco Coir, Vermiculite & Gypsum) - Premium Quality | Ready to Use UK

Sterile CVG Mushroom Substrate (Coco Coir, Vermiculite & Gypsum) - Premium Quality | Ready to Use UK

Regular price From £9.99 GBP

Regular price Sale price From £9.99 GBP
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Sterile Masters Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Masters Mix Mushroom Substrate Fruiting Block | 2.5KG

Regular price £14.99 GBP

Regular price Sale price £14.99 GBP
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Sterile Masters Straw Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Masters Straw Mix Mushroom Substrate Fruiting Block | 2.5KG

Regular price £14.99 GBP

Regular price Sale price £14.99 GBP
Unit price per
Sterile Supplemented Hardwood Mushroom Substrate Fruiting Block | 2.5KG

Sterile Supplemented Hardwood Mushroom Substrate Fruiting Block | 2.5KG

Regular price £14.99 GBP

Regular price Sale price £14.99 GBP
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Collection: Flash 20

1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK

1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK

1.5KG Sterile Rye Grain Spawn Bulk Buy - Save up to 25% | Professional Grade UK

1.5KG Sterile Rye Grain Spawn Bulk Buy - Save up to 25% | Professional Grade UK

2.5KG Substr8™ High Performance Mushroom Substrate - Mix with Grain Spawn | Premium 8-Ingredient Formula UK

2.5KG Substr8™ High Performance Mushroom Substrate - Mix with Grain Spawn | Premium 8-Ingredient Formula UK

2KG All In One Mushroom Growing Kit - Complete Setup | Grain + Substrate Included UK

2KG All In One Mushroom Growing Kit - Complete Setup | Grain + Substrate Included UK

2KG Sterile Rye Grain Spawn - Large Scale Growing | Premium Mushroom Substrate UK

2KG Sterile Rye Grain Spawn - Large Scale Growing | Premium Mushroom Substrate UK

3.5KG XXL All In One Mushroom Growing Kit - Maximum Yields | Serious Growers UK

3.5KG XXL All In One Mushroom Growing Kit - Maximum Yields | Serious Growers UK

30-240L Substr8™ High Performance Mushroom Substrate | SAVE UP TO 30%

30-240L Substr8™ High Performance Mushroom Substrate | SAVE UP TO 30%

Lion's Mane (Commercial Strain) Mushroom Liquid Culture | Hericium Erinaceus

Lion's Mane (Commercial Strain) Mushroom Liquid Culture | Hericium Erinaceus

Lion's Mane Mushroom Grow Kit 1.5KG - Premium Gourmet Variety | Restaurant-Quality at Home UK

Lion's Mane Mushroom Grow Kit 1.5KG - Premium Gourmet Variety | Restaurant-Quality at Home UK

Mycelial Growth Promoter™ 60ml

Mycelial Growth Promoter™ 60ml

Mycology Pop-Up Still Air Box SAB for Mushroom Growing

Mycology Pop-Up Still Air Box SAB for Mushroom Growing

Premium Manure Mushroom Substrate - Advanced Grower Formula | Maximum Yields for Experienced Cultivators UK

Premium Manure Mushroom Substrate - Advanced Grower Formula | Maximum Yields for Experienced Cultivators UK

Sterile CVG Mushroom Substrate (Coco Coir, Vermiculite & Gypsum) - Premium Quality | Ready to Use UK

Sterile CVG Mushroom Substrate (Coco Coir, Vermiculite & Gypsum) - Premium Quality | Ready to Use UK

Sterile Masters Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Masters Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Masters Straw Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Masters Straw Mix Mushroom Substrate Fruiting Block | 2.5KG

Sterile Supplemented Hardwood Mushroom Substrate Fruiting Block | 2.5KG

Sterile Supplemented Hardwood Mushroom Substrate Fruiting Block | 2.5KG

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