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The Daily Insight

What water is best for indoor plants?

Author

Sarah Duran

Updated on February 22, 2026

Most tap water should be fine for your houseplants, unless it is softened, because softened water contains salts that can build up in the soil over time and cause problems. Chlorinated water is also safe for most houseplants, but if you have a filtration system, that's much better for your plants.

Do plants grow better with tap water or distilled water?

In side-by-side comparisons, plants watered using distilled water tend to grow faster and stronger than those watered with tap water. Plants watered with distilled pure water usually produce more leaves and grow more vigorously. Even so, it's important to remember distilled water only adds hydration.

What kind of water do indoor plants need?

What is the Best Water for Houseplants? Rainwater or distilled water are considered to be the best choices for watering houseplants. The quality of tap water often depends on where you live and some plants are sensitive to the minerals or chemicals added to it.

What is the healthiest water for plants?

To give your plants the absolute best, rainwater and bottled spring water are your best options. Any water containing sugar or salt will hurt them!

Should I use distilled water for my plants?

If you're distilling your own water from your tap, those types of contaminants shouldn't be an issue. So, yes you can use distilled water to give your plants, but the good minerals that help keep the plant healthy and growing have been removed.

Which Kind of Water Is the Best for Houseplants? | Is Filtered Water Good for Watering Plants?

Is distilled or purified water better for houseplants?

Outdoor plants in the ground use the soil to filter any excess minerals or contaminants. The plants in containers are the ones to worry about. The container will trap bad toxins which can build up to unhealthy levels. So your houseplants are the ones who will benefit most from distilled water.

Is boiled water distilled?

No, they aren't the same. Boiled water is simply water that has had the temperature increased until it reaches its boiling point. This kills a host of bacteria that can make a person sick. Distilled water is water that has been stripped of all impurities, including minerals and microorganisms.

Is boiled water OK for plants?

As long as you don't overheat the roots of your plant and you protect the leaves and crown from the heat, watering with hot water will have no harmful effects. In fact, it's better to water with hot water than it is to water with very cold water.

How can I make tap water better for my plants?

If you use tap water, you may notice that your plants are not growing as tall and strong to the best of their abilities. To reduce the risk of harmful chemicals in your water, allow your tap water to sit out for at least 24 hours before using it to water your plants. This allows the chlorine to dissipate.

Can I use fish tank water for my plants?

Using Aquarium Water to Irrigate Plants

“Dirty” fish tank water isn't healthy for fish, but it's rich in beneficial bacteria, as well as potassium, phosphorus, nitrogen, and trace nutrients that will promote lush, healthy plants. These are some of the same nutrients you'll find in many commercial fertilizers.

Should I water my plants with filtered water?

According to the Water Quality Association, distilled or reverse-osmosis filtered water is the best for watering house plants. No matter where the safe water comes from, it should be room temperature when watering.

Which type of water is used by plants?

Capillary water is the water present between the soil capillaries (formed by the pores or space between soil particles). It is very useful as plant can absorb capillary water from the soil.

Is purified water good for houseplants?

Some types of bottled water are good for plants. Others are not so good. Among the different types of bottled water, spring water is deemed best for plants. On the other hand, (bottled) purified or distilled water is the least beneficial for plants.

Can I use boiled water instead of distilled water?

At the same time, boiling does not have an effect on other impurities like minerals, and so these remain in the water. Therefore, while boiled water can't be used in the ways that distilled water is used because of its mineral content, it can be consumed.

What type of water helps plants grow faster?

The best water for plants, and the type of water that tends to make them grow fastest, is rain water, because it is purer than tap water or even well water.

Which houseplants are sensitive to tap water?

Some parts are particularly sensitive to specific chemicals found in tap water. Fluoride is damaging to spider plants, corn plants, prayer-plants, dracaena, and peace lilies.

How do I make distilled water?

The process of distilling is simple: Heat tap water to the point that it turns to vapor. When the vapor condenses back to water, it leaves behind any mineral residue. The resulting condensed liquid is distilled water.

How long should tap water sit to remove chlorine?

How Long Does It Take for Chlorine to Evaporate Out of Water? Water needs to sit for a minimum of 24 hours to dechlorinate.

Is Egg water good for plants?

Adding Eggshell water to your plants is a great way of supplementing much-needed calcium to the soil. When prepared by boiling, the eggshells release calcium in a soluble form into the water. Eggshell water can be used to water plants because it provides the plant with calcium mineral and amino acids.

Should I put eggshells in my indoor plants?

Eggshells are an effective way to feed your indoor plants with calcium, but most houseplants need additional fertilization with nitrogen, potassium, phosphorus and other nutrients. Many fertilizers formulated for indoor plants may contain calcium.

Is rice water good for plants?

According to research, rice water is better than tap water and helps the plants to grow at a much better rate. All this gets mixed in the water and thus can be beneficial for the plants in a lot of ways. It also has starch that promotes healthy bacteria that grow in the rhizosphere.

Can I use bottled water instead of distilled water?

The biggest difference between bottled water and distilled water is that bottled water is meant for drinking and distilled water is not. This is because of the mineral content of each form of water, which is determined by the way in which these products are filtered or purified.

Can you distill water in a kettle?

Use a plastic bowl to quickly put over the kettle. Keep it there for about five minutes. The steam will be caught and trapped by the plastic bowl. All the steam will turn to liquid, which is your distilled water.

Is rain water distilled?

This is because rainwater is pure, distilled water evaporated from the sun - nothing else. However, when rainwater falls from the sky, substances from the air and land melt into the rainwater. Fortunately, when rainwater soaks into the ground, it then becomes mineral water.