Why Does Water Look Blue In A White Bath? (Answered)

If the bath water has a blue tint, it’s common to get worried.

You might assume something has spoiled the water and is now dangerous to touch. Is that true? Is this something to worry about?

To answer this question, you will have to ask, why does the water look blue in a white bath?

Water can look blue in a white bath because of small traces of copper in the water source. Additional reasons can include excess soap, leftover cleaning agents (i.e. drain cleaner), or specific light sources.

In most cases, there is nothing to worry about.

If you are worried about blue tints in the bathwater then continue to run the tap for a while. This will flush the blue water down the drain.

For the average person, the reason will be leftover soap or a cleaning agent. Just continue to rinse the tub and you will be good to go.

This article will explain some of the reasons water can look blue in a white bath in greater detail.

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Reasons Water Looks Blue In A White Bath

1. Copper

Copper pipes make continuous contact with the water as it travels through the system.

By the time it gets to the bathtub, it will have been inside the pipes for a significant amount of time. This means anything inside the piping will have an impact on the water quality.

In this case, the water turns a blueish shade because of the copper inside the piping.

Copper dissolves in standing water, which is common with pipes. This causes any water that was sitting inside the pipes to turn a light shade of blue.

This is nothing to worry about and as the water continues to run, this shade will go away. A lot of people get concerned for their safety when this happens and that’s fair.

Just continue to let the water run and see if that helps.

In most cases, this is all you are going to have to do.

Why does the water look blue in a white bath

2. Excess Soap

When figuring out how to get rid of blue bathwater, it’s important to understand that sometimes it’s something as simple as excess soap.

If you took a bubble bath in the tub then that can be the reason for the water turning blue. The soap can dry out inside the tub because it was not cleaned thoroughly.

As a result, when the water enters the tub, it mixes with the excess soap that has dried out on the surface.

To get rid of the blue water in your tub, just continue to let the water run. This will be more than enough to get rid of the excess soap residue.

3. Leftover Cleaning Agent

Just like the excess soap, sometimes you can end up leaving a cleaning agent inside the tub.

This could be something as simple as a drain cleaner that was used to get rid of a clog or a cleaning solution to help whiten the surface of the tub.

Whatever the reason may be, the cleaning agent might not have come off properly. This can lead to a situation where the water enters the tub and then mixes with the cleaning agent’s residue.

In this case, it is best to not sit inside the water until everything has been rinsed.

Why does the water look blue in a white bath

4. Lighting

This is a reason that should become noticeable right away.

Specific types of light have blue rays that can shine onto the water. This will hit the water at an angle that will make it look blue.

A good example would be the blue skies up above when they reflect on the ocean. This same logic applies when there is a blue light over the top of a bathtub.

If you have changed the lighting fixture recently then this could be the reason for the blue-tinted bathwater.

Final Thoughts

Why does the water look blue in a white bath?

Water can look blue in a white bath due to copper from the pipes, excess soap, leftover cleaning agents (i.e. drain cleaners), or blue-tinted lighting. It’s recommended to let the water run to clear out the tub before using it.

This is a common concern that is seen from time to time. For the most part, if you let the water run for a bit, it will clear out the issue.

If the problem persists, it’s possible the copper inside the piping has started to impact the water quality aggressively. This will likely become far more noticeable as the shade of blue will be a darker one.

It’s best to speak to a plumber in this situation to see where the problem areas are.

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