Aquae Iasae has discovered the ancient spring-fed Roman pool. This pool has the dimensions of 8x13.5 meters and the depth is 2.6 meters. The natural source of the baths' thermal water, was fenced in by large stone blocks. So far, the only similar example of such a pool is known in the Roman settlement of "Aquae Sulis" (Bath) in England. Specific conditions of soil around the springs of water, and travertine deposits, have given rise to good preservation of Roman architecture, so that this complex is one of the best preserved Roman sites in Croatia. Aquae Iasae Aquae Iasae was the Roman
Aphanizomenon flos-aquae samples exceeded the safety value of 1 µg microcystin per gram. University professor Daniel Dietrich warned parents not to let children consume "A. flos-aquae" products, since children are even more vulnerable to toxic effects, due to lower body weight, and the continuous intake might lead to accumulation of toxins. Dietrich also warned against quackery schemes selling these cyanobacteria as medicine against illnesses such as attention deficit hyperactivity disorder, causing people to omit their regular drugs. A Canadian study studying the effect of "A. flos-aquae" on the immune and endocrine systems, as well as on general blood physiology, found that eating