Mostly all plant parents already know all houseplants require sufficient amount of water but it is crucial to know that what quality of water is ideal to stay plants healthy and energetic because it has very deep effects on the health of houseplants. It is not just important to know about frequency of water but quality of water itself.  Let’s discuss about what type of water is perfect for houseplants.

Types of water for indoor Plant

  • Tap Water
  • Hard Water
  • Soft Water
  • Distilled Water
  • Filtered Water
  • Bottled water
  • Rainwater
  • Aquarium Water
  • River or pond water

Tap Water

A colossal number of people feel comfortable to use tap water for houseplants because it is easily available all the time when we need. Quality of tap water depend on your residential area. Tap water can be divided into two categories hard water and soft water depending on minerals. Tap water contain

  • Chlorine
  • Fluoride
  • Heavy Metals
  • High sodium level

Palms, spider plant, dracaenas and Calathea are pickier to fluoride so, be careful about these plants.

Hard Water

Hard water include calcium, magnesium, carbonates, bicarbonates and sulfites. Calcium and magnesium salts can accumulate in the soil as a result of watering the plants with hard water. High alkalinity in hard water can kill few plant species. If you water your green friend with hard water, it’s very important to flush out the salty soil every 2-3 months through rainwater, filtered or distilled water. If you notice brown spots on the surface of leaves then stop using hard water.

Soft Water

Soft water contain potassium chloride and sodium ions. Watering your plant with soft water is very unhealthy and toxic because it is completely build up of sodium ions on the surface of soil.

Pros of Tab Water

  • Using tap water for houseplants is very cheap and accessible way to consumers.
  • Standard of water quality is set in different places or in people’s mind.
  • It has lower environmental effects.

Cons of Tab Water

  • White crusty show on the top surface of soil or all around the pot
  • Glossy green leaves convert into brown or yellow leaves
  • Tap water cause droopy plant
  • Soft water create sodic soil which is dangerous for the health of houseplants.

Distilled Water

Distilled water is extremely purifier water that is completely free of all contaminants and impurities Water is heated until it turns into steam which is then condensed back into a liquid and collected in a new container. Distilled water is good for all houseplants although it can be expensive for you.

Pros of Distilled Water

  • Distilled Water is free from all minerals such as calcium, magnesium and sodium.
  • It has no bad effect on the growth of houseplants.

Cons of Distilled Water

  • You can’t get it just turn on the faucet. Just have to go out and purchase it from shop.
  • It demands high cost due to distillation process


Rainwater is very beneficial and natural source for all houseplants and crops because it is natural and chemical-free such as Chlorine and fluoride.  Nature wants to drink the plants with pure water. Rainwater.

Pros of Rainwater

  • Rainwater contain huge amount of oxygen which is perfect for the proper growth of plants.
  • Rainwater is rich in nutrients.
  • It contains low amount of calcium and magnesium.

Cons of Rainwater

  • Rainwater is naturally acidic but if you live in manufacturing area then rainwater may highly acidic due to pollution.

Filtered Water

If you have no option except tap water then filtered water is best type of water for indoor plants. Filtered water is free from salt and suitable for cacti, succulent and tropical plants. There are many varieties of filters as faucet attachment available in market.

Pros of Filtered Water for indoor plants

  • Filtered water can eradicate chlorine, bacteria, fluoride and heavy metals from tap water.
  • It is good for your family and your green friends.

Cons of Filtered Water

  • It need a lot of space.
  • It may expense as compared to other methods of watering.
  • It is no option for you except change filter every couple of months

Bottled Water

Bottled water is another best source of watering your houseplants. It is known as spring water or mineral water. Bottled water show same results with filtered tap water but we will always recommend you filtered water as compared to bottled water.

Pros of Bottled Water

  • Bottled water consist on minerals such as magnesium and calcium that are beneficial for houseplants.
  • Bottled water don’t contain chlorine and fluoride.

Cons of Bottled Water

  • Expense of bottled water can be increase rapidly if you have colossal number of houseplants
  • Bottled water has high environmental impact
  • Plastic Container require to be recycled after some time.

Aquarium Water

If you are aquarist (fish lover), have a fish tank in your home and always forget to clean fish tank, you can utilize this dirty aquarium water after dilute to water your green indoor is an ideal source to fertilize your plants. Always using aquarium water for houseplants and ornamental plants is not best choice but acceptable option if you can’t afford cost of filtered or distilled water.

Pros of Aquarium water for houseplants

  • Aquarium water contain potassium, phosphorous, nitrogen, nutrients and useful bacteria that is most important for proper growth of plants and stay houseplants happy.
  • When your fish exit their waste in tank, it divide into ammonia and nitrate ultimately which boost up growth and development of houseplants.

Cons of Aquarium Water

  • If you notice any terrible disease in fishes, don’t use aquarium water to water your green friends because it can damage the growth of houseplants.
  • Aquarium water can only perform best to growth of plants when you store it for a long period before watering your indoor plants.

Stream, pond or River Water

If you have no option except river or pond water, it could be permissible for you. But don’t forget to test this river water before watering your indoor plants because it contain abundance of heavy metals and pollutants.

Pros of river or pond water

  • If you are live nearby mountain areas, you can use river water in this case because it contains nutrients and minerals.

Cons of river or pond water

  • River water can be perilous to your houseplants because it may consist on harmful chemical and industrial waste materials that can stop the growth of houseplants.
  • Don’t apply it on your sensitive indoor plants such as spider plant.

Carbonated or Sparkling water

Carbonated water also known as seltzer water or sparkling water. Carbonated water provide essential elements such as hydrogen, carbon dioxide and oxygen for plants. You an drip it gently in the soil or around the base of plant, it will assist and encourage your plants to take benefits of nutrients and CO2.

Pros of Carbonated water for plants

  • Carbonated water is rich in plant’s nutrients such as calcium, magnesium, potassium, sodium and phosphorous.
  • Ability of plants to store more water can increase in the presence of a huge amount of CO2.

Cons of Carbonated Water

  • If you use flavored carbonated water which contain salt or sugar, it will welcome all pests like ants to seizure the roots and encourage fungal infection and diseases.
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