8Jan 2020

Top 6 Different Ways to Re-Use the Waste Water from RO Water Purifiers

RO water purifiers supply safe, clean and tasty water while protecting from many life-threatening waterborne diseases. But there is one thing disadvantage of the RO water plant that is it decomposes excessive wastewater.

The detailed description of the RO plant consists of approximately 3 liters of water wastage while purifying 1-liter water only. Meaning there will only be 25% of water filtered and 75% of water becomes wastage.

Such excessive water quality is wasted because the RO purifiers dissolve contaminants and the impure water is filtered out. The percentage of wastewater varies depending upon which water purifier you are using. Due to the high level of impurities, the wastewater can be used for neither drinking nor bathing.

Nevertheless, if you are looking for ways to avoid the overall wastage of water at your home, there are several steps to save water. Here, are some basic techniques through which you can re-use RO water.

1. Water Plants

Those who have plants at home can easily make use of the wastewater by watering plants with it. This tip is especially useful if there is a lack of water in your area, doing so will help you to save water. You can even try watering your plants for up to 15 days and check its effect on the plants. When you do so, you will get a clear understanding of which plants are responding favorably to RO wastewater. Therefore, you can water plants accordingly.

2. Wash Your Car

A single car wash will utilize between 14 liters to 75 liters of water. Considering the scarcity of water, using so much liquid for car wash seems irrational and no lesser than a crime. Wastage of this much water every day is also irrelevant.

If you are using the RO plant purifier you can re-use the wastewater by storing it in a tank and then to wash. Make sure to use water which has a lesser TDS level of atleast1200, for safely use of cleaning the car or you can even dilute the water with tap water if the TDS exceeds.

3. Wash your Utensils

One another application of waste RO water includes washing your utensils. Simply store the wastage water in a tank, place the bucket nearby while washing your kitchen sink. So, that it will be easier for you to clean utensils when water is at a handy distance.

However, you need to keep in mind that water should be removed completed from utensils with a clean cloth. If such water remains in contact with the tool for a longer time, it may leave a stain on it. Plus, diluting water is also recommended while cleaning utensils with normal tap water.

4. Floor Mopping

Cleaning or mopping with RO wastewater is easy and will definitely save up to 10 liters of clean water every day. If you have a huge home then the savings could reach in hundred liters every single day.

Again you have to keep in mind to dilute the water with an equal quantity of tap water. Because plain RO water with high TDS may leave the spot on the floor. Use the RO water for floor mopping every next day that will reduce your chances of causing any stains or salts deposits on the floor.

5. Cleaning Toilets

One another step to decrease wastage of water includes to use it to flush toilets. The approximate wastage of water down the toilet is about 5 to 7 liters of potable water. RO wastewater can be used effectively to reduce the wastage of clean water by using it to flush toilets.

Though, watch your toilet seats for any discoloration on the porcelain surface after a few days or so. With proper periodical cleanup using common toilet cleaners, you can avoid the chances of discoloration.

6. Pre-rinsing Laundry 

You can utilize RO wastewater as a daily laundry cleaning but keep in mind that using high TDS might not be suitable for delicate fabrics. You can mix RO water with tap water to lessen the wastage of water.

Create an overhead tank that collects the RO wastewater to the tank directly and into your washing machine. This tip works best for the semi-automatic and twin tub washing machine.


These are some effective ways that can allow you to save the water wasted from the RO water plant. The RO plant process is one of the best ways to get purified drinking water without any impurities in it. The only disadvantage of it wastage of water. But what you can do is take small measures to utilize even the wastage of water.

To get the best-purified water, you can invest in an RO water plant. The RO water plant cost is very inexpensive too. Thus, what are you waiting for? Purchase your RO water plant today.



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