barn-swallow

Learn how to make a beautiful, self-sustaining indoor pond for your home 1. WHAT ARE INDOOR PONDS? Indoor ponds are tiny self-sustaining worlds in glass containers, that only need a little care, compared to aquariums. They make use of the natural cycles in nature, such as the exchange of oxygen and nutrients, and therefore are better than "regular aquariums" at balancing themselves without human intervention. There are different terms to describe different kind of indoor ponds, here are some: Pico tank: term used by aquarists for really small aquariumsWalstad method: a specific way to make a Pico tank - a nature aquarium with substrate con