King British - Filter Aid+ - Boosts Biological Filter, Removes harmful ammonia & nitrite - 100ml
King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 123,797 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 123,797 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
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£4.59
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: 2.4 / 5 (average from multiple review sources, as of 8 Jul 2026)
Based on a total of 49,640 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 49,640 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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£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: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 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 80,610 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
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£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: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 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 80,610 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
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£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: 4.8 / 5 (average from multiple review sources, as of 12 Jul 2026)
Based on a total of 80,610 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 80,610 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
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£8.77
Free Delivery
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....
£4.59
2-4 days
viovet.co.uk
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King British Filter Aid+ (formerly known as Safe Water) - 100ml Bottle - Details
▶ Finding you the best price!
We have found 5 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: £4.59
- 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 €£4.59to €£8.77 with a total of 5 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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