Converting to ro/di

  • We are currently upgrading MFK. thanks! -neo
B

Brown Water

Feeder Fish
MFK Member
Apr 18, 2013
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Ma
Have a new ro/di unit coming this Friday and looking to convert my freshwater tanks to ro/di this weekend into next week.

My game plan is, do one tank/system a day. Drain about 50% and slowly add ro/di water by the gallon every 30-60 min. Yay or nay?

Also what do you guys use to make ro/di water safe for fish? Guy at lfs suggested kent ro right. Any good? Easy to use? I really want to say away from mixing ro and tap. Would rather buy something to add stuff back into the ro/di water.

Looking for soft water ph of 6-7.


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You should be able to find some kind of discus or soft water buffer at your lfs. PersonallyI myself would do an ro tap mixture to get the desired ph, gH, kH etc. This would be a lot cheaper than constantly buying the buffer.

As far as switching over I'd probably do it over a longer period of time. Going to softer water is harder on fish than going to harder water. I'd switch over by doing smaller 10-15% water changes every couple days to soften it.
 
Tap water makes everyone in the house sick if its drank. Really really want to avoid doing ro tap mixture. Fish & inverts are surviving not thriving.

Any idea how long it would take to get all the tap out of the tanks with the 10-15% pwc? Do 25% every other day atm, hoping I can get away with 2x a week with the ro/di.


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RO/DI is not good for any fish except those from pure rain water environments.
Most fish require minerals that are removed by the RO/DI process, to maintain their osmo-regulatory stability, and invertebrates require a minimum amount of calcium for shell production removed by the RO/DI process.
 
duanes said:
RO/DI is not good for any fish except those from pure rain water environments.
Most fish require minerals that are removed by the RO/DI process, to maintain their osmo-regulatory stability, and invertebrates require a minimum amount of calcium for shell production removed by the RO/DI process.
Click to expand...

That's why you add a,guess what you could call a ro supplement, back in?


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Yea do the shrimp tanks slowly as well. I am switching my tanks over as soon as I find a store that carries ro right. I've read tons of reviews and talked with many people about it and I have heard tons of great things about it.


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