.healthyswimming.or. g. Protecting swimmers and their families from RWIs. is the reason that pool staff regularly check. both chlorine and pH levels. Chlorine and pH, your disinfection team, are the first defense. against germs that can make swimmers sick.
[kokâ²És] pl. cocci. Etymology: Gk, kokkos, berry. a bacterium that is round, spheric, or oval, such as gonococcus, pneumococcus, staphylococcus, and streptococcus. coccal, adj.
Spherical shape bacteria are called cocci (singular coccus). Sometimes the cocci occur in clusters eg. Staphyloccus; sometimes in chains eg. Streptococcus; sometimes a diplococci eg. Neisseria; sometimes a tetrad eg. Sarcina.