Seachem Magnesium Reef Advantage – 1.2 kg
Seachem Reef Advantage Magnesium, 1.2 kg
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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£19.98
Free Delivery
Seachem Reef Advantage Magnesium, 1.2 kg
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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£24.23
Free Delivery
Seachem Reef Advantage Magnesium, 1.2 kg
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
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£25.99
Free Delivery
Aquarium accessories Seachem Reef Adv. Magnesium
Overall Rating: 2.9 / 5 (average from multiple review sources, as of 15 Jul 2026)
Based on a total of 2 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 2 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.
1-5 working days
Visa
Visa
Mastercard
Mastercard
£29.85
Delivery from £16.79
Seachem Reef Advantage Magnesium, 1.2 kg
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.
Usually dispatched within 6 to 7 days
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£30.95
Free Delivery
Cheapest offer
Concentrated, blended, ionically balanced magnesium source Contains NO Ammonia Vitally important in preventing ionic imbalance
£19.98
In stock
Amazon-marketplace.co.uk
How well did the information meet your expectations and assist you further?
Not at all
Neutral
Very much
Your responses remain anonymous and are used solely to improve our website. No personal data will be stored or shared with third parties.
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Seachem Reef Advantage Magnesium, 1.2 kg - Details
▶ Finding you the best price!
We have found 5 prices for Seachem Reef Advantage Magnesium, 1.2 kg. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seachem Reef Advantage Magnesium, 1.2 kg - Price Information
- Cheapest price: £19.98
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Seachem Reef Advantage Magnesium, 1.2 kg is €£19.98to €£30.95 with a total of 5 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.
Similar products
Aquarium accessories Seachem Reef Adv. Magnesium
£83.39
gallop-store.co.uk
Delivery from £16.79
Seachem Reef Advantage Calcium 250g 500g 1kg Marine Coral Grower Buffer CA
£19.15
Amazon-marketplace.co.uk
Free Delivery
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).