How about a naturally shaped driftwood with a good color? This reddish-brown driftwood is a great choice. It has an interesting shape and is versatile. Driftwood with tannin removal treatment Collected: 2025 Location: Chikugo River upstream, Fukuoka Prefecture Driftwood condition at discovery: Partially submerged in water Tannin Removal Process: High-pressure, high-heat cleaning Brushing Boiling sterilization at approximately 65°C (for about 2 hours) We are particular about the temperature and time. Water soaking (30 days) (Using driftwood-specific super-activated carbon "Black Hole") Washing and brushing Sun drying Kou-chan's driftwood is finished and listed in about 60 days. UV sterilization For those who want to use it immediately after soaking: It was soaked individually during the treatment process, but Since it is currently completely dry, It will not sink immediately, so sinking items are required. If you have any questions or want more information, please comment. Many other items are also available. We have a large selection of high-quality, well-shaped pieces, so please take a look.