King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 12 Feb 2026)
Based on a total of 112,352 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 112,352 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 Price
2-4 days
Visa
Visa
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Mastercard
£5.23
Delivery from £3.49
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
Overall Rating: 2.5 / 5 (average from multiple review sources, as of 8 Feb 2026)
Based on a total of 46,321 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 46,321 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 Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
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Visa
Mastercard
Mastercard
£5.23
Delivery from £4.49
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 12 Feb 2026)
Based on a total of 45,568 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 45,568 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
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£6.01
Free Delivery
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 12 Feb 2026)
Based on a total of 45,568 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 45,568 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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£7.91
Free Delivery
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 12 Feb 2026)
Based on a total of 45,568 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 45,568 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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£8.15
Free Delivery
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 12 Feb 2026)
Based on a total of 45,568 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 45,568 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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£8.77
Free Delivery
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King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle - Details
▶ Finding you the best price!
We have found 6 prices for King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle - Price Information
- Cheapest price: £5.23
- The cheapest price is offered by viovet.co.uk . You can order the product there.
- The price range for the product King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle is €£5.23to €£8.77 with a total of 6 offers.
- Payment methods: The online shop viovet.co.uk supports: Visa, Mastercard
- Delivery: The shortest delivery time is 2-4 days working days offered by viovet.co.uk .
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amazon.co.uk
Delivery from £4.49
Cheapest offer
Formerly known as "Safe Water", King British Filter Aid+ is a rich-source of friendly-microbes that will help you maintain better water quality in your aquarium. Using on a weekly basis will reduce harmful ammonia andamp; nitrite, making the water safer for your fish. Regular use improves the development of the biological filter for clean, clear water. For use in coldwater, tropical and marine aquariums. One 100ml bottle will enrich up to 900 litres....
£5.23
2-4 days
viovet.co.uk
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