Tropical Fish Keeping - Aquarium fish care and resources

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-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   I am so confused. (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/i-am-so-confused-70254/)

CowgirlFishKeeper 05-12-2011 05:01 AM

I am so confused.
 
We recently had to shut down our salt water tank, and in my inexperience, I cleaned off the live rock pieces, and put them in with my barbs. The hard red algae that was on the live rock was at first dying, but oddly enough, now it's all OVER my non live rock pieces! I am really confused - our tank is not salted, nor is it lit for salt, and the algae is growing? Is this at all normal?

sik80 05-12-2011 05:40 AM

I'm pretty sure there's no way a saltwater algae would continue to grow in a freshwater tank. My guess is that its freshwater algae is gowing on the rocks.

I'd keep an eye on the pH and hardness of the water too as those rocks are likely to be calcareous and couldl raise pH and hardness

CowgirlFishKeeper 05-12-2011 05:41 AM

That's what I thought, but I'm completely sure the saltwater algae is surviving on the liverock.

sik80 05-12-2011 05:52 AM

Quote:

Originally Posted by CowgirlFishKeeper (Post 672067)
That's what I thought, but I'm completely sure the saltwater algae is surviving on the liverock.

why are you so sure?

CowgirlFishKeeper 05-12-2011 05:55 AM

Because it's the exact same colony on the same rock that was there in the saltwater....Unless there's some sort of ninja algae that switches places without a shade's difference! :lol:

sik80 05-12-2011 06:02 AM

Hmm, weird. My only other possible expanation is that freshwater algae is feeding on the dead saltwater algae... Other than that I'm stumped :-D

I guess it's not really an issue unless it starts taking over and you don't like the way it looks

CowgirlFishKeeper 05-12-2011 06:03 AM

:o We has ninja algae? :D I should find a way to market this. :lol:

Byron 05-12-2011 12:05 PM

I recommend you post a thread in the saltwater section, as a marine aquarist may know more about those algae than those of us in freshwater.

SinCrisis 05-12-2011 12:20 PM

i thought live rock was unsuitable for freshwater aquaria? It hold tons of bacteria and organisms for saltwater conditions so dropping it in a freshwater tank would kill all the bacteria, spike your ammonia and nitrate levels and increase the rotting organic matter in the tank creating good conditions for algae, which is probably why the bloom occured.


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