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Shinsei Aquarium Substrate Black Hole 12kg Used

β˜…β˜…β˜…β˜…β˜… 4.5 rating Β· 26 reviews Β· 257+ sold
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Product Details

Product Description
Thank you for looking.

This is a used gravel that has been used for approximately 6 months.

[Shinsei Black Hole] 3-6mm Approximately 12kg

?Used substrate.
?Washed and sun-dried.
?May release dirty water (brown/black water).
?Appears gray when dry, but turns to a glossy black when wet.
?Please wash thoroughly before use.

Please consider this after understanding the above.

For shrimp tanks / medaka tanks / goldfish tanks / tropical fish tanks
Type of equipment: Other
Type of ornamental fish: Tropical fish

Thank you for looking.

Category
Layout Supplies
Condition
No noticeable scratches or marks
Shipping
Included in price (by seller)
From
Saitama

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 (26)

4.5
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Based on 326 reviews
5 stars
90%
4 stars
10%
3 stars
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2 stars
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1 star
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M
User6805348
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2026-11-09

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