The Pond Library

The Pond Library is an online reference resource for garden pond owners and Japanese koi enthusiasts, established in 1995. It brings together practical guidance and background information for both beginners and experienced hobbyists, with a focus on building, managing and maintaining healthy ponds. Its articles cover pond design and construction, pond edges and filtration, water quality, algae, plants, fish and other aquatic life.

Readers can also explore detailed material on Japanese koi, including varieties, care, feeding, health and professional evaluation. The site’s knowledge base includes a glossary, while its forum offers a place for pond and koi enthusiasts to connect. Alongside introductory guides, The Pond Library publishes specialist advice and updated articles on topics such as water chemistry, fish diseases, water lilies, swimming ponds and pond equipment.

The platform describes itself as a source of advice, information and support for hobbyists, helping them develop balanced pond ecosystems and deepen their understanding of koi keeping