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Seachem Onyx Sand Planted Aquarium Substrate 7.7 lb

Marsoni M251S
Sale price$15.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Seachem Onyx Sand Planted Aquarium Substrate 7.7 lbOnyx Sand is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Onyx Sand is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Onyx Sand is not
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Mr.FixIt
Belleville, US
★★★★★ 5
Works great
Great product, good price and fast shipping.
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Reviewed in the United States on December 5, 2025
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Lowell H
Natrona Heights, US
★★★★★ 5
Good price and high quality!
This isolator relay is robust and has a higher amp load rating than the original relay. It was easy to install.
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Reviewed in the United States on May 26, 2026
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Alvin garner
Port Orchard, US
★★★★★ 5
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Reviewed in the United States on February 11, 2026
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Bigdaddydeas
Massapequa, US
★★★★★ 5
Nice unit . Unable to use. But it was built very well
Unable to give it a full rating. But most recoil products are great
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Reviewed in the United States on November 5, 2023
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TheFox
New York, US
★★★★★ 4
Starter solenoid
Ford starter solenoids are junk. Kept wedling the contacts shut despite new 4 gauge starter wire and 0 gauge grounds. Swapped the solenoid with ine if these. No problems.
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Reviewed in the United States on June 1, 2025

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