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Natural Rock Oyster Filter Media 5kg

β˜…β˜…β˜…β˜…β˜… 4.8 rating Β· 34 reviews Β· 337+ sold
$14.52 $18.8760005950928 30% OFF
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Product Details

These are shells from natural rock oysters grown off the coast of the Sea of Japan.
Therefore, the shells are large.
They weigh 5kg.
The shells have been washed with water and dried in the sun.
The shells are large, about the size of a fist.
We believe they are easy to use and dissolve slowly, making them suitable for filtration systems.
They can be used in filtration systems for carp and ornamental fish to maintain water quality and pH, or as a substitute for lime in soil management.

The order weight can be adjusted from the weight for Takkyubin Compact to 120 size.
Please consult with us via comments.

Type of supplies: Water quality management supplies
Color: White
Type of ornamental fish: Other

Category
Filters, Pumps & Filter Media
Condition
Almost new
Shipping
Included in price (by seller)
From
Yamagata

Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.

Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.

Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.

Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

Customer Reviews (34)

4.8
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Based on 326 reviews
5 stars
90%
4 stars
10%
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1 star
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M
User6950516
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2026-11-07

I’m pleased with both delivery and quality.