Blue Water

If you open the tap in the morning and see blue water running, you might want to look out the window and see if aliens have arrived, especially in 2021? But in fact blue water appears periodically in all cities in Ukraine, the last city where it was discovered in October 2020 was Nikolaev. Before that, it appeared in Chernomorsk, Odesa, Kiev, Berezhany of Ternopil region – such a kind of ghost-water. In fact, the blue water from the faucet usually indicates its chemical pollution, but already the types of contamination can be varied.

copper pipes

Blue copper water

Many people remember the beautiful blue copper sulfate solution from their high school chemistry classes, they also used to treat trees and homes against mold. It and its relatives, copper salt solutions, are very often the basis of blue tap water.

copper pipes

A slight bluish tint, which is enhanced when water is mixed with soap, can occur with copper plumbing fixtures and pipes. The problem is also often accompanied by a blue plaque in the sink or toilet.

So why isn’t there copper in the water wherever copper pipes are installed? This is due to the composition of the initial water – if it is acidic with a large content of carbonic acid, chlorides, sulfates, and even strongly saturated with air, the corrosion will be quite active, and corrosion products will precipitate on the plumbing and stain the water. Also, the presence of iron, aluminum, and other metals in the water can exacerbate corrosion.

copper sulfate

The maximum allowable content of copper in water for drinking is 1 mg / l, in which case it will not be colored, while it is likely to feel a metallic taste. Above the MPC the water will be colored, forming a deposit on the plumbing and on the laundry when washing. Sometimes when using copper pipes copper content in water reaches more than 5 mg / L, and this element still refers to heavy metals and can cause certain health problems. Therefore, using it for drinking is not recommended. Solve the problem of copper water can be a household reverse osmosis, replacement of all pipes, can also help a competent plumber, who will install the correct connections at the junction of copper and steel pipes, where the maximum observed galvanic corrosion.

stain water

Blue water is a ghost

If everything is clear with copper pipes and the phenomenon is usually stable, then the Martian water, which periodically occurs in the taps of residents of different cities of Ukraine, everything is more complicated. In the morning it is there, in the evening it is not. Answers to questions about its origin are always different, from what we were able to find on the Web are:

stain water

  • installation of the toilet cistern without a check valve, when slowly soluble products that are added to the cistern, not only stain the water when draining, but also return to the water supply, often blue liquid has an unpleasant smell and soaps;
  • Flushing water supply systems after scheduled and unscheduled repairs with copper sulfate and other reagents – in such cases, the water also quickly drains and regains its usual color.
copper water

“Blue Water” – Eric Marienthal ft. Cristian Romero ft. Chaivers (Official Video – New Version)

The most interesting thing is that utilities often can not give an answer to the question about the origin of blue or blue water, and the results of tests of blue water in the web we have not seen. The main thing to remember is that if the tap water looks and smells not like water, you should not drink this liquid, wash the dishes or bathe the children until the cause is identified.

Blue Water

stain water

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