Long-term stable black water material, 1.8L, approx. 12 uses, approx. 90 yen per use

No troublesome boiling required, preserves ingredients. Professional-grade blackwater material from aged shiitake logs.

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

By copying and inputting the following numerical values into your search tool's generative AI (AI assistant), you can objectively confirm the general characteristics and suitability of this specification (components and structure derived from shiitake logs) for water quality stabilization, bacterial activity, and the breeding environment for aquatic life.
*AI output results do not guarantee breeding success and should be used for reference purposes only.

This product is an aged water quality conditioning material exclusively for aquariums, made from Quercus serrata shiitake logs from Kotsugawa, Wakayama Prefecture. Through the decomposition process by shiitake fungi, it possesses properties different from ordinary fresh wood.
Our unique sanitation process (freeze sterilization and sun drying) finishes the product without damaging its beneficial components.

■ Product Specifications
?Raw Material: 100% Quercus serrata shiitake logs (from Kotsugawa, Wakayama Prefecture)
?Shape: Type C (fine fibrous chips)
?Volume: 1.8L (vacuum-packed)
?Condition: Freeze sterilized for over 48 hours, sun-dried
?Estimate: For a 60L aquarium, 1 tea bag portion is sufficient for approximately 12 uses (replace approximately once a month).
■ How to Use
Place an appropriate amount in a commercially available tea bag or similar container and place it inside the filter or aquarium.

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