Nitrodi Wells is located in Buonopane, Barano d'Ischia; it is reachable through a pedestrian road in the nearest of Buonopane's Bridge.

The properties of Nitrodi's waters are:

- Diuretic
- Help the functional capacity of the kidneys
- Favor the elimination of uric acid
- Effective in arthritic cures
- Cure or improve gastritis and gastro - duodenalis (the water exercises a regulatory action by both reducing the hyper - clorhydria and increasing the hypo chlorhydria).
- An excellent coadjutant to gastroduodenal ulcer cures.
- Possess nutritional - healing qualities for the skin and mucous linings.
- Heal ulcers caused by broken blood vessels, sores, fistulas, pimples,…
- Make the skin healthy, pure, smooth, and radiant.

Da M.Mancioli - Le proprietà terapeutiche delle acque di Nitrodi e Olmitello; ed analisi 1986

The acquae from the Nitrodi wells are classified as medio - mineral (sulfate - bicarbonate and alkaline - earth and hypo - thermal). The principal components are: sodium, calcium, potassium, chlorine, sulfur, carbon.