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Algae ID and steps to take

791 Views 3 Replies 4 Participants Last post by  Chris_Produces
My planted Fluval Spec V levels are: pH:6.5, Ammonia,NO2-,NO3- 0ppm. KH=1dKH, GH=2dGH, water temp 76F.
These values practically match my tap water levels; pH is a touch lower in the tank. Fluval plant stratum. Plants (cabomba, anubias and some micro swords) added a little over 4 weeks ago. A few bladder snails that came with the plants. Introduced a male betta 2 weeks ago.
I don't know what my CO2 levels are; I don't have a CO2 setup and I'm not dosing. I was doing 8 hour photo cycles but reduced to 4-6 hours a week ago. Base of cabombas are yellowing a little, micro swords don't look super healthy. I spotted new growth on the anubias (attached to driftwood) so they are fine I guess. Light is a 20" fugeray planted+. 20% water change bi-weekly.

What is this algae and how do I get rid of it?

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Wow, this is intense my friend!

I am not a pro, but I would suggest some manual removal + the one-two punch method with H2O2 and Excel.... might be a good start!
You can check it, but I believe the author of that one two punch says to use as a last resort.
Having 42 x the amount of light needed is likely the cause of the algae as I've only seen that brand in shallow water at the edge of a river where there was no current and lots of sunlight on it.
If you put that light up 20" above the substrate it will be enough for the plants.
And that is not an exaggeration.
Woah, that's way too much light for that tank. Definitely need to raise those lights up.
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