Red sand

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Hi guys and girls

Check out the attached pic, is this a normal stage of the cycling process???

If so what do I need to do because it awful looking

fr499y

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Reply #1

you can try syphoning it out but it will come back just as quick

ajm83

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Reply #2

What are your readings for phosphate, nitrate and ammonia?

If it's a new tank you can try and wait it out.  You may well find it goes as the tank stabilises.

If it's more established, you can use Mycosidal, Red Slime Remover etc.  I wouldn't recommend using those unless you absolutely have to though.

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HK_Fuey

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Reply #3

It's cyanobacteria. As above. Wait a while, and it may die off. If it's getting worse, you need to eradicate nitrate and phosphate.
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