Algae Infestation - The Planted Tank Forum
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post #1 of 3 (permalink) Old 07-18-2020, 08:41 PM Thread Starter
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Algae Infestation

Hi all,

Let me first say that I am enjoying this forum as I have for many many years! The hobby itself tends to ebb and flow for me and I'm finding myself with an algae infestation.

It's all over the plants(I've actually removed most of the plants and threw so much out) and I have been trying to treat it off and on, but it never seems to go away.

Here's what has happened through the past few months. With Covid, I have been unable to refill the CO2 canister(I presume that's why the algae outbreak happened). However, it has been almost 4 months now since the tank has been without CO2. I would have thought the tank would have destabilized and the algae would start to slowly dissipate.

My question to you all, would be be beneficial to attempt to get the CO2 refilled with it have been 4 months of no CO2? Would that start adding the balance back or is there something else I can do outside of using a syringe with peroxide because if that's my only option, I'm definitely just throwing out the plants.

Thanks for any input that you may have.
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post #2 of 3 (permalink) Old 07-18-2020, 10:35 PM
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What kind of lighting are you running? What size tank? Ferts?

The first thing I would do if I run out of co2 is lower lighting intensity/duration and cut back on ferts.
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post #3 of 3 (permalink) Old 07-19-2020, 03:10 PM
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The imbalance that fosters algae is most often excess nutrients and/or excess light. If you did not reduce ferts and the photo period when the CO2 ran out, then there's the issue.
Perhaps do a water change, don't add ferts, and do a blackout for a few days, then reduced lighting for awhile and see what happens. :-)

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