Rain water or tap water:
What's best for your succulent? Let's find out!

Are you also confused between rainwater and tap water for succulents? In this post we will discuss why rain water is more beneficial for your succulent.

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Jimena Bolívar

April 22, 2021

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Watering your succulents can be daunting if you don’t have an idea about the needs of it. The type of water used is undoubtedly essential for the growth requirements of your succulents. You must have heard a lot of different notions about which type of water is best. Let’s find out in this post what’s best for your succulents.

Rainwater is better than tap water for succulents because it is free from additives, purer, and has an acidic Ph generally best suited for nutrient absorption through succulent’s root.

what is better rain water or tap water?

When it comes to the needs of a plant like succulent it prefers the exact opposite of what a human needs. Tap water is resourced through municipal corporations that add additives and chemicals in them to make it ideal for human consumption.

Rain water is free of all the chemicals like chloride, magnesium and calcium and is thus more pure and raw than tap water.

Sometimes you may have noticed white spots in your succulents and wondered despite of taking the utmost care why is this happening? This is because the minerals in the tap water cause a build-up in the soil eventually leading to the spots. Tap water is alkaline in nature.

what makes rain water best for succulents?

One of the best methods to water your succulent is using rain water. As both them are a part of nature, it effortlessly creates a perfect method for watering. Succulents have a knack for slightly acidic soil and water. What could be better to fulfill these conditions other than using rain water? Rain water is naturally acidic in nature.

Due to its acidic nature the succulents get a boost to drive off chemicals and other deposits of additives that may have built up over time.

Another incredible reason for using rainwater is that it’s extremely cheap. Of course it too comes with its pros and cons. People who live in locations where rainwater is not a major concern can definitely derive the benefits of using it, but, wait a second that does not leave out the population living in less rainfall area.

Adequate amount of rainwater can be sourced and stored for all year round. It can be bit of a task but I assure you, if you are a succulent lover, you can definitely accept this hassle.

Now that you know which water type is best for succulents, check out this post to learn more about the watering needs and schedule for them.

how to store rainwater for long term use?

To start with it you just need a big barrel or storage container and a safe open side where you can effectively collect large amount of water when it’s rainy season. Check out this great amazon product that can help you with your watering needs.

To assure that your collected rainwater stays good for long there are some tips which you can follow.

  1. Covering your barrel/container with mesh sheet can be very effective to ward off mosquitoes and other breeding insects.

pro tip

• You can add a layer of vegetable oil to prevent mosquitoes from breeding in your precious collection of water.

  1. Cleaning the barrel once a week or two will ensure your water stays clean and good. You may keep a backup barrel to store the water when you do the cleaning. The frequency of cleaning can be once in 3 to 4 weeks as well as it totally depends on the outside temperature.

  2. Painting the barrel black can also be helpful to prevent any algal growth. But this can be assured if you already buy a dark colored barrel.

Tips for making tap water almost similar to rain water

Although I have proved that rain water is undoubtedly the best method to water plants, you may be hesitant to set up a system for harvesting rainwater or may not have the time to do so. So, to make things bit easier for you here are some tips which you can do to avoid the demerits of using tap water.

• Make the water acidic- As you would have known by now that how important is acidic environment for succulents, you can easily make tap water acidic. Mix 1 teaspoon of vinegar to one gallon of water and use it to water your succulents. Note- The amount of vinegar would depend on how alkaline your tap water is.

• Give some time to the tap water before watering so that the chlorine or other gas added to the water can pass off as gas. Also, carbon dioxide dissolves in water forming carbonic acid. This slightly lowers the ph of the water.

• Usually succulents need replanting every 2 to 3 years but if you are watering with tap water, you may need to consider changing the pots every 1 to 1.5 years.

pro tip

•To prevent deposition of excess water and minerals in your succulent, always use pots with holes. Material used to make pot also plays an essential role in keeping succulent happy. Terracotta and ceramics are better than plastic and glass ones.

Have a look at this product if you consider switching pots.


By now you must have got a pretty clear picture in your mind as to why rainwater is beneficial for your succulents than tap water. Rainwater is chemical- free, acidic, and a sustainable way to water the succulents.

Even if you are not able to source rain water for a long time or are yet to figure out the system. Tips like keeping water overnight, changing pots regularly, making water acidic and using holed pots will certainly keep your succulents at check.

If you want to know the best time to water your succulents, then check this incredible post.

For a better understanding of the best watering method you can observe two pots for a period of time. One can be watered using rain water and other with tap water. You can then analyze the results and decide for yourselves.

Jimena Bolívar Picture

By Jimena Bolívar

Easy Succulents Founder

My name is Jimena and I'm the the founder of Easy Succulents! I'm fascinated by this wonderful plants and I want to share with the world everything I know about them!

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Jimena Bolívar Picture

Jimena Bolívar

Easy Succulents Founder

My name is Jimena and I'm the the founder of Easy Succulents! I'm fascinated by this wonderful plants and I want to share with the world everything I know about them!



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