Diatom Algae How To Control ?

raptor22

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Nov 26, 2019
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how do I control this diatom alga in my 63 gal tank?

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Allwissend

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It looks like you got more going on there than diatoms. I also see some red algae , similar to BBA on the rocks.

With diatoms you have several approaches available to you. One is to move the system towards higher water available nutrients that favour plant, green algae and bacteria growth. In time these will displace a large part of the diatoms . Add diatom eating creatures like snails, shrimps otos. Move to a soft acidic water system. Like with many algae when your system is growing healthy plants the algae tend to go away.
Such BBA growth on rocks is usually a sign of poor filtration or maintenance of the substrate /tank.
 

raptor22

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Nov 26, 2019
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It looks like you got more going on there than diatoms. I also see some red algae , similar to BBA on the rocks.

With diatoms you have several approaches available to you. One is to move the system towards higher water available nutrients that favour plant, green algae and bacteria growth. In time these will displace a large part of the diatoms . Add diatom eating creatures like snails, shrimps otos. Move to a soft acidic water system. Like with many algae when your system is growing healthy plants the algae tend to go away.
Such BBA growth on rocks is usually a sign of poor filtration or maintenance of the substrate /tank.
this is under Red light.
 

Allwissend

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yes, the heavy red balance is visible on the gravel. By red algae I am refering to the black algae growth you see on some decorations and gravel. They belong to Rhodophyta, hence the common name red algae.