The Planted Tank Forum - View Single Post - Brown diatoms in mature tank (ARGH!)
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Old 10-02-2012, 03:22 AM   #9
DogFish
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Quote:
Originally Posted by Alplily View Post
....I will try doing a major clean with 50% water change?
Use RO or distilled water and see what happens. You might need to do two large water changes in one month to really flush out the tank.
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