{"version":"1.0","type":"link","title":"Superadditive developer - Newikis","description":"Photographic developer solutions may contain more than one developing agents, such as Metol and hydroquinone, or Phenidone and hydroquinone. This is because they work together to a synergistic effect, called superadditive development.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}