In order to maintain hygiene in the Mikvahs, the following rules must be followed.
1. Mandatory Shower - entering the Mikvah is forbidden before washing oneself thoroughly in the shower with soap and water in order to remove sweat and dirt.
2. One must notice the clarity of the water – the bottom must be completely visible to the eye.
According to guidance of the Israel Ministry of Health; the bacterial, chemical and physical quality of the water in the Mikvah pool and cistern, during usage will be in adherence with the precise guidance in this matter.
What are the Israel Ministry of Health guidelines?
a. In the pool, there should be no more than 10 Coliform germs in 100 ml of water.
b. In the pool, there should be no more than 2 germs from the Staphylococci aureus species in 100 ml of water during two consecutive minutes, and in any case no more than 5 in 100 ml of water.
c. In the pool, there should not be Pseudomonas aeruginosa bacteria.
d. In the pool, there should not be any other pathogenic bacteria.
a. The pool’s waters will be disinfected with either chloride or bromine, or another substance authorized by the manager.
b. The concentration of free chlorine left over in water that has been disinfected by chlorine will be between 0.8 milligram per liter (mpl) and 2.0 mpl, and in no case lower than 0.5 mpl or over 3.0 mpl.
c. In a pool disinfected with bromine, the free concentration of what is left over will be between 2.0 mpl and 4.0 mpl.