Live Rock in freshwater tank?

[countrygal]

I purchase 120 gal tank the was salt water I am changeing it to freshwater, the guy I bought it from gave me around 120 lbs of live rock and said that i
could boil it dry it and re rinse it and use it in my freshwater set up. I really don't plan on using a bunch of it but there is a couple peices that are pretty cool
looking. It didn't sound right to me so i figured i would ask?

 

[Blueiz]

My biggest concern would be it altering the water chemistry (ph kh), in a freshwater set up. Do you know what kind of rock it is? You could always test some of if by putting it in a bucket of water for a few weeks and test the parameters to see if it is raising the ph kh of that water. That in itself wouldn't be a deal breaker depending on the type of fw fish you want to keep, however IMO it would be something you need to be aware of.

Of course, as you've already mentioned boiling and cleaning the rock extremely well would have to be done or else you'd end up with dead rock decaying and causing ammonia, nitrite, and nitrate spikes in your tank.

 

[BIG-G]

If the rock was cleaned well you could use it in a hard water type setup like Africans.

 

[jerome9731]

scrape off any algae,hitch hiker then boil them ,
i would place them in the sun for a week then boil again just to be safe as marine live rock are pretty porous with lots of small hole for critter to hide, they could just died inside and and decay.

 

[countrygal]

They are very porous, I am not really sure what kind of rock it is I am saltwater dump yet lol. I will take some pics and post then when i get a chance.
I have a Black gohst knife, redtail Black shark,pictus catfish and a couple Angels.

 

[jerome9731]

if possible i wouldn't use it, time consuming to make it fully cleaned

 

[scalesandfins]

sell it alive and buy what ever decor you want. live rock is not cheap! you should get between 3-5 bucks a pound for it at least

 

[NitroDempsey]

I did all the above and it clouded my water and fish later died. I personally wouldn't recommend it.


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[scalesandfins]

you will never kill or get rid of all the organics on live rock. it is incredibly porous and bioling it will kill everythin but will not remove it

 

[C L O W N K N I F E]

Sell all the live rock and get decorations that won't up your pH, or setup a african tank