What is a penis rash? There are multiple conditions that can cause a rash on the penis or in the groin. Rashes are commonly itchy and can be caused by something as simple as an irritation to certain soaps or something as complex as an infection caused by fungus, an STD or pubic lice.
Purple on the fixtures and fittings and plaster = very high chlorine stabilizer or conditioner levels. It can also be caused by metals and/or minerals in the water, particularâ¦ly manganese. The manganese reacts to the high level of chlorine (when you shock your pool for example) and turns the water purple.
Sometimes it is caused by a kind of blue green algae called cyanophyceae. It causes a phenomenon called water bloom. It makes the water dark green in color. Causes are an unusual amount of sunshine, or deposits of phosphorus or nitrogen in the water derived from human activity. large deposition of algae on the surfacxe of water resulting into non availability of oxygen to the marine life resulting in their death causes eutrophication...........