Seachem Flourish Potassium Supplement, 100 ml
Seachem Flourish Potassium Supplement, 100 ml
Cheapest Price
In stock
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£6.69
Delivery from £3.95
Seachem Flourish Potassium Supplement, 100 ml
Cheapest Total Price
In stock
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Direct debit
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Visa
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Mastercard
£9.99
Free Delivery
Seachem Flourish Potassium Supplement, 100 ml
Cheapest Total Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£9.99
Free Delivery
Seachem Flourish Potassium Supplement, 100 ml
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 23 Feb 2026)
Based on a total of 46,432 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 46,432 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.
In stock. Express Delivery available with Amazon Prime.
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£9.99
Delivery from £4.49
Seachem Flourish Potassium Plant Fertiliser Nutrition 100Ml
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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£9.99
Delivery from £6.00
Seachem Flourish Potassium Aquarium Fish Tank Plant Fertiliser
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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£10.29
Delivery from £3.99
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.
PayPal
PayPal
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Mastercard
£10.57
Free Delivery
Seachem Flourish Potassium Supplement, 100 ml
In stock
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Visa
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Mastercard
£10.77
Free Delivery
Seachem Flourish Potassium Planted Aquarium Liquid Concentrated Supplement
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 1 working day of receiving cleared payment.
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PayPal
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£11.99
Free Delivery
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Seachem Flourish Potassium Supplement, 100 ml - Details
▶ Finding you the best price!
We have found 9 prices for Seachem Flourish Potassium Supplement, 100 ml. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seachem Flourish Potassium Supplement, 100 ml - Price Information
- Cheapest price: £6.69
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Seachem Flourish Potassium Supplement, 100 ml is €£6.69to €£16.68 with a total of 9 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock working days offered by Amazon-marketplace.co.uk.
2 Variants from £12.74
£17.45
GBP 0.03 / Unit
ebay.co.uk
Free Delivery
£12.74
ebay.co.uk
Free Delivery
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£12.70
amazon.co.uk
Delivery from £4.49
£17.45
GBP 0.03 / Unit
ebay.co.uk
Free Delivery
£12.74
ebay.co.uk
Free Delivery
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
Potassium supplement for the planted aquarium Highly concentrated (50,000 mg/L) Does not contain phosphate or nitrate Age range: All Life Stages
£6.69
In stock
Amazon-marketplace.co.uk
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