I am so confused. - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 05-12-2011, 05:01 AM Thread Starter
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?

33g with Eheim Canister Filter (80g) and 40g HOB
Crushed coral sand, coconut shell caves, bubblers, power head, dead liverock, mopani, russian mossballs, hornwort, tape grass, assorted nameless plants, one lucky bamboo shoot
-2 Calico Ryukins
-4 Ottoclinus 2 male 2 female
-1 Clown Pleco male
-1 Shubunkin/Comet?, Calico female
-1 SAE, female
-Malaysian Trumpet Snails, Rams horns
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post #2 of 9 Old 05-12-2011, 05:40 AM
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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
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post #3 of 9 Old 05-12-2011, 05:41 AM Thread Starter
That's what I thought, but I'm completely sure the saltwater algae is surviving on the liverock.

33g with Eheim Canister Filter (80g) and 40g HOB
Crushed coral sand, coconut shell caves, bubblers, power head, dead liverock, mopani, russian mossballs, hornwort, tape grass, assorted nameless plants, one lucky bamboo shoot
-2 Calico Ryukins
-4 Ottoclinus 2 male 2 female
-1 Clown Pleco male
-1 Shubunkin/Comet?, Calico female
-1 SAE, female
-Malaysian Trumpet Snails, Rams horns
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post #4 of 9 Old 05-12-2011, 05:52 AM
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Quote:
Originally Posted by CowgirlFishKeeper View Post
That's what I thought, but I'm completely sure the saltwater algae is surviving on the liverock.
why are you so sure?
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post #5 of 9 Old 05-12-2011, 05:55 AM Thread Starter
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!

33g with Eheim Canister Filter (80g) and 40g HOB
Crushed coral sand, coconut shell caves, bubblers, power head, dead liverock, mopani, russian mossballs, hornwort, tape grass, assorted nameless plants, one lucky bamboo shoot
-2 Calico Ryukins
-4 Ottoclinus 2 male 2 female
-1 Clown Pleco male
-1 Shubunkin/Comet?, Calico female
-1 SAE, female
-Malaysian Trumpet Snails, Rams horns
CowgirlFishKeeper is offline  
post #6 of 9 Old 05-12-2011, 06:02 AM
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Hmm, weird. My only other possible expanation is that freshwater algae is feeding on the dead saltwater algae... Other than that I'm stumped

I guess it's not really an issue unless it starts taking over and you don't like the way it looks
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post #7 of 9 Old 05-12-2011, 06:03 AM Thread Starter
:o We has ninja algae? :D I should find a way to market this.

33g with Eheim Canister Filter (80g) and 40g HOB
Crushed coral sand, coconut shell caves, bubblers, power head, dead liverock, mopani, russian mossballs, hornwort, tape grass, assorted nameless plants, one lucky bamboo shoot
-2 Calico Ryukins
-4 Ottoclinus 2 male 2 female
-1 Clown Pleco male
-1 Shubunkin/Comet?, Calico female
-1 SAE, female
-Malaysian Trumpet Snails, Rams horns
CowgirlFishKeeper is offline  
post #8 of 9 Old 05-12-2011, 12:05 PM
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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.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #9 of 9 Old 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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