Guidance on switching to RODI from tap water

allietheginger

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Hi everyone!

I have a 40 gallon tank that has live rock and live sand as well as an artificial plant (until I get into all the reefing stuff once I’m more established in a year or more). I cycled my tank using the fritz turbo start 900 and ammonia method. After it was successfully cycled, I added 2 clownfish (on 12/16) and later a yellow watchman goby and red pistol shrimp (on 12/29). My water parameters have been great as far as nitrites, ammonia, and nitrates and have been doing water changes weekly if not more often.

So! Here is where I’m asking for a little bit of guidance. The area that I messed up in is that I did not buy an RODI system right off the bat and decided to use tap water (using the declorinating stuff you do for freshwater) and mixing the salt myself. I already know I messed up in this so please no shaming! I do that enough to myself…… that being said, my RODI 5 step system is coming in this week. The guidance I am looking for is for how gradual I do the water changes with the new RODI water once it’s ready after mixing the salt for a few days. Like should I be doing 50% water changes? Or is that too much at once? Obviously I know the tap water they are in isn’t good for them so I want to correct this asap but I also don’t want to change their parameters drastically and make anyone sick or worse.

I can provide updated levels on my tank if needed once I get home if that helps but this is what it was a few days ago

Ammonia 0-.25
Nitrites 0
Nitrates 5-10
PH 8.0
Salinity 1.024

Any guidance on this would be greatly appreciated! I’m trying to do best by my new fish and I have done so much research so I’m trying to do better!

Thank you ❤️
 

Dan_P

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Hi everyone!

I have a 40 gallon tank that has live rock and live sand as well as an artificial plant (until I get into all the reefing stuff once I’m more established in a year or more). I cycled my tank using the fritz turbo start 900 and ammonia method. After it was successfully cycled, I added 2 clownfish (on 12/16) and later a yellow watchman goby and red pistol shrimp (on 12/29). My water parameters have been great as far as nitrites, ammonia, and nitrates and have been doing water changes weekly if not more often.

So! Here is where I’m asking for a little bit of guidance. The area that I messed up in is that I did not buy an RODI system right off the bat and decided to use tap water (using the declorinating stuff you do for freshwater) and mixing the salt myself. I already know I messed up in this so please no shaming! I do that enough to myself…… that being said, my RODI 5 step system is coming in this week. The guidance I am looking for is for how gradual I do the water changes with the new RODI water once it’s ready after mixing the salt for a few days. Like should I be doing 50% water changes? Or is that too much at once? Obviously I know the tap water they are in isn’t good for them so I want to correct this asap but I also don’t want to change their parameters drastically and make anyone sick or worse.

I can provide updated levels on my tank if needed once I get home if that helps but this is what it was a few days ago

Ammonia 0-.25
Nitrites 0
Nitrates 5-10
PH 8.0
Salinity 1.024

Any guidance on this would be greatly appreciated! I’m trying to do best by my new fish and I have done so much research so I’m trying to do better!

Thank you ❤️
Maybe don’t worry about it too much. Just start using RO water to make saltwater and go with regularly scheduled water changes. Forget about fixing or undoing anthing.
 

redfishbluefish

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Agree with @Dan_P , just start using RO/DI in your normal water changes. Don't over think this....keep it simple.
 

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