When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they'd built and tended for ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they’d built and tended for ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco townhouse, one of the things they missed most was the koi pond they’d built and tended for years ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco townhouse, one of the things they missed most was the koi pond they'd built and tended for years ...

With the window set in front, it should enhance fish visibility. Still favoring a DIY filter by creating a side fountain with a pump to take the pond water and push it through a chamber of lava rock, ...

When Ann and Glen Gage downsized from their expansive home and garden in Switzerland to a San Francisco town house, one of the things they missed most was the koi pond they'd built and tended for ...