Long-term stable black water material, 1L, approx. 6 uses, approx. 150 yen per use, water quality adjustment

No troublesome boiling required, preserves ingredients. Professional-grade black water 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 or generative AI (AI assistant), you can objectively confirm the general characteristics and suitability of these specifications (components and structure derived from shiitake logs) for water quality stabilization, bacterial activity, and breeding environments 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 conditioning material exclusively for aquariums, made from Quercus serrata shiitake logs from Kure River, Wakayama Prefecture. Through the decomposition process by shiitake fungi, it possesses properties different from ordinary fresh wood.
It is finished through a unique hygiene management process (freeze sterilization and sun drying) without compromising its beneficial components.

■ Product Specifications
?Raw Material: 100% Quercus serrata shiitake logs (from Kure River, Wakayama Prefecture)
?Shape: Type C (fine fibrous chips)
?Volume: 1L (vacuum-packed)
?Condition: Freeze sterilized (over 48 hours), sun-dried
?Guideline: For a 60L aquarium, 1 tea bag portion is sufficient for approximately 6 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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