Seachem Flourish Potassium Aquarium Plant Fertiliser 50/100/250/500 ml
Seachem Flourish Potassium 500ml
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 22 Feb 2026)
Based on a total of 22,153 customer reviews from independent review platforms.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,153 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
Will usually delivered within 2 - 7 working days of receiving cleared payment.
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£17.45
GBP 0.03 / Unit
Free Delivery
Seachem Flourish Potassium 50ml 100ml 250ml 500ml Aquarium Plant Fish Tank Food
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 22 Feb 2026)
Based on a total of 22,153 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,153 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 - 3 working days of receiving cleared payment.
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£18.57
Free Delivery
Seachem Flourish Potassium Supplement, 500 ml
Unknown
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£18.74
Delivery from £4.49
Seachem Flourish Potassium Supplement, 500 ml
In stock
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£18.79
Free Delivery
Seachem Flourish Potassium Supplement, 500 ml
In stock. Express Delivery available with Amazon Prime.
Direct debit
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£18.79
Delivery from £4.49
Seachem Flourish Potassium Supplement, 500 ml
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Mar 2026)
Based on a total of 120,600 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 120,600 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 days
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£18.90
Free Delivery
Seachem Flourish Potassium Plant Fertiliser Nutrition Aquarium Fish Tank
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 22 Feb 2026)
Based on a total of 22,153 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,153 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 - 3 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
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Mastercard
£18.90
Free Delivery
Seachem Flourish Potassium Plant Fertiliser Nutrition 500Ml
Overall Rating: 2.9 / 5 (average from multiple review sources, as of 3 Mar 2026)
Based on a total of 29,023 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 29,023 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-3 working days
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PayPal
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Visa
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Mastercard
£18.90
Delivery from £6.00
Seachem Flourish Potassium Supplement, 500 ml
In stock
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Mastercard
£19.15
Free Delivery
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Seachem Flourish Potassium 500ml - Details
▶ Finding you the best price!
We have found 9 prices for Seachem Flourish Potassium 500ml. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seachem Flourish Potassium 500ml - Price Information
- Cheapest price: £17.45
- The cheapest price is offered by ebay.co.uk. You can order the product there.
- The price range for the product Seachem Flourish Potassium 500ml is €£17.45to €£27.21 with a total of 9 offers.
- Payment methods: The online shop ebay.co.uk supports: PayPal, Visa, Mastercard
- Delivery: The shortest delivery time is Will usually delivered within 2 - 7 working days of receiving cleared payment. working days offered by ebay.co.uk.
2 Variants from £8.00
£8.00
£80,00 / l
olibetta.uk
Delivery from £8.90
£12.74
ebay.co.uk
Free Delivery
Similar products
£12.70
amazon.co.uk
Delivery from £4.49
£12.74
ebay.co.uk
Free Delivery
£6.69
Amazon-marketplace.co.uk
Delivery from £3.95
Seachem Flourish Potassium Supplement, 500 ml
£25.10
ebay.co.uk
Free Delivery
£8.00
£80,00 / l
olibetta.uk
Delivery from £8.90
Cheapest offer
Test/Treatment Parameter: Potassium / Type: Water Conditioner / Water Type: Fresh / Country of Origin: United States
£17.45
Will usually delivered within 2 - 7 working days of receiving cleared payment.
ebay.co.uk
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