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Hello I currently have a tank with a dwarf baby tears carpet and it seems that algae is starting to take over the tank! Whenever I try to remove the algae within the next few days it grows back. I have had the lights on for 12 hours a day with co2 injection but have now lowered it to 6 to see how things go.

Water Changes: 25% weekly

Fertilizers: Flourish excel, potassium, and iron every other day.

Size: 10 gallon


Does anyone have any ideas on what I am doing wrong?


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Lighting can be easily overpowering in a small nano tank. 12 hours is off the charts too much light. I would cut it as low as you can until your tank stabilizes. I would recommend 4-5 hours for a month.
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