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 29 Mar 2026)
Based on a total of 115,901 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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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 115,901 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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£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: 2.4 / 5 (average from multiple review sources, as of 25 Mar 2026)
Based on a total of 46,726 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 46,726 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.
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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
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
In stock
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£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
In stock
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Direct debit
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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
In stock
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Direct debit
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£8.77
Free Delivery
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King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums - Details
▶ Finding you the best price!
We have found 6 prices for King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums - Price Information
- Cheapest price: £5.23
- The cheapest price is offered by amazon.co.uk. You can order the product there.
- The price range for the product King British - Filter Aid+ 100ml - For Cleaner & Clearer Water - Boosts the Aquarium’s Biological Filter - Removes Harmful Ammonia & Nitrite - For Coldwater, Tropical & Marine Aquariums is €£5.23to €£8.77 with a total of 6 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.
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Cheapest offer
BOOSTS THE AQUARIUM’S BIOLOGICAL FILTER REMOVES HARMFUL AMMONIA & NITRITE BREAKS DOWN AND REMOVES HARMFUL SUBSTANCES FOR CLEANER AND CLEARER WATER USE WHEN SETTING UP A NEW AQUARIUM, FOLLOWING PARTIAL WATER CHANGES OR TO BOOST FILTRATION
£5.23
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
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