Adding fish to tank w/ diatoms?

TheReefDiary

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Seem to be having an early emergence of diatoms in my 1 month old tank. I have 2 small fish in the tank and a small 3 snail CUC. I have 2 other fish in qurantine. My question is should I wait out the bloom before introducing the new fish? Or does that not really matter?

Not knowing much I still assume it's probably best to wait to add them because it's just adding more stress to the bioload.
 

mpoletiek

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I continued to add fish (one a week in my 165) when I had a diatom bloom.

My understanding is diatoms depend heavily on silicates and adding fish wasn't adding silicate.

About 2 weeks after the bloom began and completely took over it started dieing off and the green algae started coming in.
 
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I continued to add fish (one a week in my 165) when I had a diatom bloom.

My understanding is diatoms depend heavily on silicates and adding fish wasn't adding silicate.

About 2 weeks after the bloom began and completely took over it started dieing off and the green algae started coming in.
These 2 fish have another week and half in the quarantine tank, by that point i assume to tank will be full bloom based off how quickly its forming.
 

mpoletiek

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These 2 fish have another week and half in the quarantine tank, by that point i assume to tank will be full bloom based off how quickly its forming.
What are you concerned about? Diatoms aren't harmful to fish from what I know. Fish also don't contribute to diatom outbreaks.

Again, based on my limited knowledge and experience in saltwater, diatoms will come and go and are a part of a diverse biodiversity. They'll die off just as quickly as they came and then you'll have new problems :)
 
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TheReefDiary

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What are you concerned about? Diatoms aren't harmful to fish from what I know. Fish also don't contribute to diatom outbreaks.

Again, based on my limited knowledge and experience in saltwater, diatoms will come and go and are a part of a diverse biodiversity. They'll die off just as quickly as they came and then you'll have new problems :)
more so that adding fish which will increase amount of food/waste in the system. the tank will be trying to reach an equilibrium because of the new fish and there will also be a diatom bloom. wasnt sure if that would lead to additional algae issues.
 

davidcalgary29

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more so that adding fish which will increase amount of food/waste in the system. the tank will be trying to reach an equilibrium because of the new fish and there will also be a diatom bloom. wasnt sure if that would lead to additional algae issues.
As @mpoletiek has stated, diatom blooms are almost always caused by excess silicates in the tank -- something only often seen in new tanks, or when a lot of sand is added to an established tank (this is not recommended). You can, however, create many other issues by suddenly increasing your bioload. Adding quarantined fish slowly over a longer period is often recommended -- unless you have very specific stocking issues which require multiple fish to be added at the same time.
 

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