RODI water Q & A: What RODI water is, water changes, how to make saltwater, and much more

We’re all about RODI water here at our Seatech H2O delivery service, but many of our customers still have questions about what RODI water is and why it’s so necessary for a healthy aquarium environment.

We thought we’d break it down for you in the following Q & A about RODI water, aquarium cleaning, water changes, and more.

1. What is RODI water?

RODI stands for reverse osmosis deionized water. In addition to reverse osmosis, it goes through an additional process of deionization wherein ions are manipulated in order to create 100% pure H2O. The reverse osmosis process leaves some trace chemicals or debris behind, but deionization removes them completely.

2. Is RODI water ideal for saltwater aquariums?

This type of fish tank water is especially ideal for saltwater aquariums because saltwater fish tend to be more sensitive to chemicals in water. When you use RODI water for saltwater aquariums, you will have to mix in salt, which is vital for the livestock.

3. Do I need RODI water for a freshwater fish tank?

The water can help keep your freshwater aquarium habitat healthier as well. Starting with cleaner water can help you reduce pollutants that may accumulate over time.

4. Isn’t distilled water the same as RODI water?

No. Distilled water is made by boiling the water, while RODI water is made by removing the ions. Either way, you will have to remineralize the water to ensure the livestock have the nutrients they need.

5. How often should I change the water in my tank?

Change 15-20% of the water every two weeks for both reef and freshwater planted tanks. Change 20-25% of the water once a month for fresh or saltwater swim/fish only tanks.

6. How much salt do I need to add to the water for my reef tank?

We recommend 2 ½ cups of high-quality aquarium salt for every 5 gallons of water.

7. Which saltwater brands are the best, and which kinds do you have?

As long as you use high-quality salt, the brands are comparable. At Seatech H2O, we usually use the following brands of salt:

  • Brightwell NeoMarine
  • Fritz
  • Instant Ocean & Instant Ocean Reef Crystals
  • Oceanic
  • Red Sea Coral Pro
  • Seachem Aquavitro & Seachem Vibrant Sea
  • Catalina

8. How does Seatech H2O’s RODI water delivery service work?

You can order RODI water in jugs from Seatech H2O, as well as the brand of aquarium salt you prefer. We will mix it for you as well for your convenience. If you prefer, we will use RODI water to change your fish tank water for you on site. 

You should only use this pure water to clean the tank and decor as well, so you should have some jugs on hand. Additionally, in the event one of your fish becomes ill or you need to use a temporary tank during cleanings, you will need to use RODI water in the secondary tank.

9. At which temperature should I store the water jugs?

Keep it at cool to room temperature. This is very important for aquariums owners in Arizona, where the temperatures in garages or sheds can become extremely hot. If the water becomes too warm, it can cause leakage from the plastic jugs, compromising the cleanliness of the contents.

10. Do you use RODI water when you install fish tanks for us?

Yes! That’s the only type of water we use here for fish tank installations and maintenance.

11. Is RODI water drinkable?

No, it’s not made for human consumption. It won’t necessarily hurt, but it doesn’t have the nutrients needed for humans.

12. What else can it be used for?

When we first began our Seatech H2O aquarium water delivery service for customers in the Phoenix area, we focused on fish tank water changes. Over time, we expanded our RODI water delivery services to many other industries, such as mobile car washes, janitorial companies, the medical industry, and more. 

13. Do you deliver aquarium water near me?

We deliver RODI water for aquariums to homeowners and some businesses throughout the Phoenix, Arizona metropolitan area. Communities we serve in Maricopa County include:

  • Phoenix
  • Scottsdale
  • Avondale
  • Tempe
  • Buckeye
  • Carefree
  • Glendale
  • Chandler
  • Gilbert
  • Mesa
  • Goodyear
  • Peoria
  • Litchfield Park
  • Cave Creek
  • Apache Junction
  • Paradise Valley
  • Sun City
  • Surprise
  • Tolleson
  • Wickenburg
  • Youngtown

Contact us for additional information about our aquarium water delivery options or for fish tank installation or maintenance services.

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