dosing EI but still get algae - The Planted Tank Forum
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post #1 of 3 (permalink) Old 03-22-2018, 03:05 AM Thread Starter
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dosing EI but still get algae

So I bought some liquid ferts micro and macro. I dose into my 8 gallon 1 pump alternating days, but I still get get green spot algae. What could be the problem.
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post #2 of 3 (permalink) Old 03-22-2018, 03:10 AM
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What product?
Typically Green spot is low P, or I should say the presence of it seems to decrease as you add more P.
How long have you been using the new product?

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post #3 of 3 (permalink) Old 03-22-2018, 03:41 AM
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You may have a lot of light, or long photoperiod, or low phosphate related to nitrates.

If you can't diminish your light or photoperiod is higher than 8 hours, try to decrease it to 8 or even 6 hours and see how things goes from there OR you can try to dose a little bit more phosphate (if you have it separated from nitrate) in an attempt to put the levels of nitrate and phosphate into an equilibrium of 10 ppm NO3 to each 1 ppm PO4.

If you have nitrate and phosphate tests, the results could easily tell if those nutrients are or not in good levels.
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