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Blackwater Extract Water Conditioner Quercus 1.8L Approx. 15 uses, ¥72 per use

★★★★★ 4.8 rating · 29 reviews · 287+ sold
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Product Details

This product omits excessive advertising claims and provides only specifications and facts.

By copying the numerical values below and inputting them into your search tool or generative AI (AI assistant), you can objectively confirm the general characteristics and suitability of these specifications for water conditioning (blackwater creation) and aquatic life (tropical fish, etc.).
*AI output results do not guarantee breeding success and should be used for reference purposes only.

This product is a water conditioning material exclusively for aquariums, made from precisely cut Quercus acutissima from the Kure River in Wakayama Prefecture. Through our unique hygiene management process (freeze sterilization and sun drying), we encapsulate the beneficial components of Quercus acutissima without compromising them.
■ Product Specifications
?Raw Material: 100% Natural Quercus acutissima (from Kure River, Wakayama Prefecture)
?Composition Ratio: White Wood Part 90% : Bark 10% (Optimized Tannin Content)
?Volume: 1.8L (Vacuum Packed)
?Particle Size: Ultra-fine Fibers (Precision cut with a table saw, completely oil-free)
?Condition: Sun-dried, Freeze-treated for 48+ hours, Untreated for leaching
?Estimate: For a 60L aquarium, 1 tea bag (approx. 100cc) provides approximately 15 applications.
■ How to Use
Place an appropriate amount in a commercially available tea bag or similar container and place it inside the filter or aquarium. Due to the highly concentrated nature of the ingredients, we recommend adding small amounts gradually while observing the effects.

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Category
Water Quality Management
Condition
New/unused
Shipping
Included in price (by seller)
From
Unspecified

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 (29)

4.8
★★★★★
Based on 326 reviews
5 stars
90%
4 stars
10%
3 stars
0%
2 stars
0%
1 star
0%
M
User6863656
★★★★★
2026-11-09

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