Distilled water isn't ideal for most plants because it lacks essential minerals and can leach nutrients from the soil, potentially causing deficiencies and stunted growth over time, though it removes harmful chemicals like chlorine/fluoride found in tap water. While great for very sensitive plants (like carnivorous ones), most houseplants do fine with tap water (left to sit) or filtered water, but you might need to add nutrients if using distilled water consistently.
Helpful Tips: Distilled water is much better for your plants than tap water, which contains chemicals like salt and chlorine. If you must use tap water, put it in a container and let it stand for about two days before adding it to your plants. You can also use rainwater.
The best type of water for house plants is rainwater. The next best option is going to be well water. The third best option is going to be the tap water from your faucet. These three types of water are the best for house plants because they have elements and nutrients inside them for the plants.
Although they both undergo a similar initial heating process, boiling water does not purify it. The process merely kills the microbes but the organic and inorganic impurities remain in the water. Distilled water, however, is a much purer form of water that's produced through a more complex distillation process.
Springwater or Rainwater
Springwater is the best option for most plants. It's clean and doesn't contain any chemicals that the water from your tap has, but at the same time, it is enriched with minerals. However, springwater might be challenging to get, so that it might be substituted with rainwater.
RO water, filtered tap water, deionized water, spring water, and boiled water are all good substitutes for distilled water.
All water -- no matter if it comes from a natural spring, artesian well, or regular tap -- may have trace but safe amounts of minerals, bacteria, pesticides, and other contaminants. Distilling rids water of all those impurities. It also removes more than 99.9% of the minerals dissolved in water.
Cover the pot with an upside-down lid and cover it with ice cubes. Immediately turn the element on and let it get the water heat up or boil for 45 minutes, replacing the ice as needed. When done, the water collected in the glass bowl is distilled.
Drinking distilled water will not replace minerals lost through sweat, as all additives and minerals will have been removed during the distillation process. A 2022 review supports this, suggesting long term consumption of demineralized water may lead to a lower quality of the intake of certain nutrients.
Use a tap water conditioner for plants when needed. If you grow sensitive to hard water plants, adjust the water pH level by adding lemon juice or by using a slightly acidic potting mix. With a little extra care, your everyday tap water can easily become plant-friendly and full of life.
Is rainwater the same as distilled water? No, rainwater is not the same as distilled water. Distilled water is water that has been boiled and then condensed, leaving behind virtually all impurities and minerals. This process removes not only contaminants but also beneficial minerals like calcium and magnesium.
Although most people fill their watering cans with tap water, that may not be the best type to keep your plants healthy. Instead, homeowners should use rain, well or even bottled water. Why? It has to do with what's in the water – rain, well and bottled water are the purest options.
How can I make tap water safe for my plants?
Overall, distilled water can be good for plants because it helps remove contaminants, but the lack of nutrients means you may need to use a supplement or consider another type of water.
Chlorine added to drinking water does not harm most plants but some may develop brown leaf tips over an extended period of use. If desired, to remove chlorine from tap water let it sit in an open-top bucket for 24 hours to allow the chlorine to evaporate before using it to water plants.
Many microorganisms ("oligotrophs") grow in distilled water: Pseudomonas spp., Caulobacter spp., Hyphomicrobium spp., Arthrobacter spp., Seliberia spp., Bactoderma alba, Corynebacterium spp., Amycolata (Nocardia) autotrophica, Mycobacterium spp., yeasts, and Chlorella spp. Also, certain lower fungi can be found here.
Turn on your stove's burner to medium heat and let the water boil. Then place the lid upside-down over the pot and fill the top with ice. This will create condensation as the steam from the boiling water hits the ice-cold lid. The condensation will begin to drip into the bowl, leaving you with distilled water.
NO. Both types of water are closely related but not the same. The difference between distilled water and boiling water is that it removes all contaminants, including minerals and microbes with distilled water. In contrast, boiled water contains minerals but is free of microorganisms.
If you don't have access to distilled water and need a close substitute, reverse osmosis water is the next best option. RO systems filter out most hardness minerals and contaminants, including heavy metals and many chemicals, producing high-quality water that's often comparable to distilled in purity.
Tap water is not distilled water; rather, it typically undergoes a different treatment process that includes local procurement and purification to meet safety standards. Understanding this distinction can influence your choices for hydration and overall health.
Distilled water is ideal for houseplants that are sensitive to contaminants like chlorine and fluoride found in tap water. However, hardy plants may thrive with drinking water, which provides essential minerals like calcium and magnesium ions that support plant health.
Distilling Tap Water on the Stove
Is There Another Name For Distilled Water?
Distilled water is created by steam condensation, stripping it of important electrolytes like sodium, calcium, and magnesium. Distilled water is safe to drink but is not intended for daily use as it can lead to mineral deficiencies and electrolyte imbalances.