★★★★★ 5
Great quality and price
Soft and comfortable. Great quality and price!
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Reviewed in the United States on May 22, 2026
Seachem Onyx Sand 7Kg Aquarium Substrate
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Seachem Onyx Sand 7Kg Aquarium SubstrateSeachem Onyx Sand is a naturally dark grey sand that perfectly complements and enhances the appearance of any aquarium. It provides not only iron and other minerals but supports optimal KH levels for freshwater planted aquariums. Being carbonate rich, Onyx Sand provides an advantage to any plants able to utilize bicarbonates. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Seachem Onyx Sand is most effective
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- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.1 ★★★★★
Based on 1345 reviews
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Product Reviews
★★★★★ 5
Love it
Size: Queen, Color: Dark Grey
I am very pleased with this product bed in a bag for Queen bed. Sheets are a perfect fit and silky soft they are a standard grade thread good price for me being on a budget.
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Reviewed in the United States on May 19, 2026
★★★★★ 4
Comfortable
Size: California King, Color: Wine & Black
Very nice sheet and comforter set. Wish it was a little warmer but I love the way they feel.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Very warm and cozy
Size: Queen, Color: Beige
Nice comforter and really pretty neutral color.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Good set!
Size: Queen, Color: Dark Grey
Love it! Good quality larger fit for bigger mattresses. I caught it on sale but it’s well worth the original price!
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Reviewed in the United States on May 24, 2026
