Seachem Aquarium Sand Onyx - 7 kg (15.4 lbs)
Seachem Onyx Sand, 7 kg / 15.4 lbs
Cheapest Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£19.89
Delivery from £3.95
Seachem Onyx Sand, 7 kg / 15.4 lbs
Cheapest Total Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£21.84
Free Delivery
Seachem Onyx 7kg Planted or Rift Lake Malawi Tang Aquarium Fish Tank Substrate
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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 3 - 4 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£21.94
Free Delivery
Seachem Onyx Sand, 7 kg / 15.4 lbs
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£21.99
Free Delivery
Seachem Onyx Sand 7kg Dark Grey Substrate Plant-Friendly Aquarium Fish Tank
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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 - 2 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£21.99
Free Delivery
Seachem Onyx Sand 7kg Dark Grey Substrate Plant-Friendly Aquarium Fish Tank
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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 - 2 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£22.18
Free Delivery
Seachem Flourite 7kg Planted Aquarium Fish Tank Substrate Red Dark Black Sand
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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 3 - 4 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£22.99
Free Delivery
Seachem Onyx Sand, 7 kg / 15.4 lbs
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£23.71
Free Delivery
Seachem Onyx Sand - 7 kg
Overall Rating: 3.6 / 5 (average from multiple review sources, as of 11 Apr 2026)
Based on a total of 52 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 52 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.
Delivery in 6 working days.
Direct debit
Direct debit
Payment by invoice
Payment by invoice
Visa
Visa
Mastercard
Mastercard
Bank transfer
Bank transfer
AmazonPay
AmazonPay
£36.00
£5,14 / kg
Delivery from £8.90
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Seachem Onyx Sand, 7 kg / 15.4 lbs - Details
▶ Finding you the best price!
We have found 9 prices for Seachem Onyx Sand, 7 kg / 15.4 lbs. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seachem Onyx Sand, 7 kg / 15.4 lbs - Price Information
- Cheapest price: £19.89
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Seachem Onyx Sand, 7 kg / 15.4 lbs is €£19.89to €£36.00 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.
Similar products
£27.99
Diy.com (B&Q)
Delivery from £6.00
£13.49
ebay.co.uk
Delivery from £3.99
£22.90
Diy.com (B&Q)
Delivery from £6.00
£12.99
Amazon-marketplace.co.uk
Delivery from £3.95
£27.88
Amazon-marketplace.co.uk
Free Delivery
Cheapest offer
Fracted Porous substrate for the aquarium Specially fracted Porous substrate for the aquarium; Suitable for most marine and freshwater environments including reef and planted aquariums Most effective when used alone as an integral substrate bed but may be mixed with other gravels or Sands Not chemically coated or treated but does have a slight buffering capacity
£19.89
In stock
Amazon-marketplace.co.uk
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).