The Troublesome Trio

SYMPTOMS: reddish-brown stains red or rusty water metallic taste reddish-brown growths clogged pipes and reduced flow CLEAR WATER - Soluble  Ferrous                                          Ferric RED WATER Insoluble       Iron Bacteria   IRON 0.3 ppm Ferric Hydroxide Manganese Bateria Manganese 0.05 ppm Hydrogen Sulfide   0.5 ppm     Manganous Bicarbonate Manganic Hydroxide CLEAR WATER (in solution) BLACK WATER (insoluble - suspended)  SYMPTOMS:  Dark brown or black stains  Black sediment and turbidity  Deposits collect in pipes  Usually present in conjunction with     dissolved iron SYMPTOMS: Offensive gas with a "rotten egg" odor Promotes corrosion as a weak acid Tarnishes silver Flammable and poisonous Capable of causing nausea and illness Capable of fouling resin bed Oxidizes into insoluble yellow sulfur powder