- The Rainbow Fountain was released on June 4, 2013, along with the Double Rainbow Dragon.
- The Rainbow Fountain is the first decoration with an affiliated dragon that is not limited.
- The Rainbow Fountain does NOT increase your chances of breeding a dragon with the Rainbow element.
- The Rainbow Fountain's description states, "After 22 months of honing their skills". This is likely a reference to the number of months (22) DragonVale existed at the time of release of the Rainbow Fountain.