SKU: 40217354866

Sera Marin Silicate clear 500 g[Weight - 500g]

$74.70 $83.00
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Description

Sera Marin Silicate clear 500 g[Weight - 500g]Permanent silicate elimination is essential as silicates promote the growth of diatoms in both freshwater and marine aquariums. Sera marin silicate clear effectively and permanently eradicates silicates. This product comes in a convenient filter media bag. Prior to use, give it a quick rinse under running water, then simply position it in a filter or in an area with good water circulation. Its effectiveness lasts for up to three months, depending on

Permanent silicate elimination is essential as silicates promote the growth of diatoms in both freshwater and marine aquariums. Sera marin silicate clear effectively and permanently eradicates silicates. This product comes in a convenient filter media bag. Prior to use, give it a quick rinse under running water, then simply position it in a filter or in an area with good water circulation. Its effectiveness lasts for up to three months, depending on the concentration of silicates in the water. A 60 g package is suitable for aquariums ranging from 20 to 50 liters, while a 500 g package is ideal for tanks between 200 and 400 liters.

Tip: You can reliably monitor the silicate levels using the sera SiO3 test.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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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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SKU: 40217354866

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JP
Boise, US
★★★★★ 5
Size up, great quality
Number of Items: 3, Color: Grey/Blue/Sea, Size: X-Small
I ordered the XS and I have to say they run small. They fit my 2 year old not 6 year old. So size up. But honestly love the quality of Amazon essential shirts. I buy these for my kids pjs they are very soft
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Reviewed in the United States on December 24, 2025
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Ret. Teacher, Grandma & Hobby Farmer
Omaha, US
★★★★★ 5
Comfy and Cool Shark Shirt
Number of Items: 1, Color: Ivory Sharks, Size: X-Small
We live near the beach, so I love finding ocean themed clothing for my little grandson. He loves this colorful swimming sharks crew neck t-shirt. He says it looks "cool." The cotton blend material is soft and and gentle against his skin. It's breathable and slightly stretchy. . The stitching is straight and consistent with no loose threads. We have fun talking about the different sharks, and the shirt looks great with his everyday jeans, joggers, or shorts. If you want some growing room, I suggest ordering a size up. The 5T is just a little long and roomy in the shoulders for my grandson who usually wears size 4. For laundering, I turn the shirt inside out and wash on cold to preserve the print. I haven't noticed any shrinkage or fading. I've been drying it on a warm setting (though cool is ideal), but I’m pretty careful not to leave it in the dryer too long to avoid wrinkles. He's been wearing it since his birthday in February, and so far, it's kept its shape, and seems to resist stains. If you have a little one that loves sharks, this check out this comfy ocean themed crew neck.
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Reviewed in the United States on May 2, 2026
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SAMBILLZ
New York, US
★★★★★ 4
Size up
Number of Items: 3, Color: Grey/Blue/Sea, Size: X-Small
Good quality but definitely size up one size.
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Reviewed in the United States on May 4, 2026
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Alice
Houston, US
★★★★★ 5
True to size
Number of Items: 1, Color: White, Size: Large
This white undershirt was exactly what we ordered. The fit and quality met expectations, and it works perfectly for everyday wear. Simple, reliable, and a great value.
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Reviewed in the United States on March 21, 2026
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Lilyne
San Leandro, US
★★★★★ 5
Essential Tees
Number of Items: 5, Color: Navy, Size: XX-Large
Nice quality for some basic, essential tees. The ratio cotton to spandex makes it very comfortable to wear. Great value.
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Reviewed in the United States on May 10, 2026

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