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- USA
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
For Your Every Summer RSVP, with Code: SUMMER15
Description
SeaChem Matrix Carbon 500 MilliliterMatrixCarbon is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites. MatrixCarbon has a very low ash content as indicated by its minimal impact on pH. Even when added to distilled water, it does not raise pH above 7. 0. While all carbons contain phosphate, regardless of false claims to the contrary,

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 887 reviews
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Product Reviews
★★★★★ 5
My favorite socks.
Size: Medium, Color: (001) Black / Black / Pitch Gray
I love these socks. Whe. The time comes to replace them, I will be replacing them with the exact same ones.
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Great socks!!!
Size: X-Large, Color: Beige/Cream/Green
Great product. Fit and comfort outstanding
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Comfortable and good fit.
Size: Large, Color: Black
Nice and comfortable Under Armour socks. Great buy!
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Socks
Size: Medium, Color: Beige/Cream/Green
These socks are great. Love them. Very warm too.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
good but pricey
Size: X-Large, Color: White / Steel - 100
good materials, size fits, very soft and durable but is a bit expensive
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Reviewed in the United States on May 5, 2026




