If you swish with hydrogen peroxide everyday you will have the same results plus excellent gum tissue! Recommend swishing with peroxide for minutes morning and night. It kills bacteria that causes decay, gingivitis, periodontal disease. Worth a shot!
There's a pink version of this photo going around as "Moss Bridges Ireland" or "Bridges Park, Ireland", but this is photo originally looks like this and is not from Ireland but from Saiho-ji Zen Garden in Kyoto Japan