sclements Posted October 6, 2020 Share Posted October 6, 2020 (edited) I have the worst problem with brown algae. Started a few months ago and I don’t know what to do. Tank is a 75G stocked with cichlids. Filtration is an Fx4 running purigen and carbon. I also have a large sponge filter running in one of the corners. Power head in the opposite corner for surface agitation. I recently moved a few weeks ago and basically started over on this tank with the exception of the filter. New substrate and decorations. I did use some of the old water but not much. The tank is mostly clear but this algae is starting to come back. Lights are only on for a max if 10 hrs a day. Water changes are done 2x a week. Any thoughts?? Edited October 6, 2020 by sclements Link to comment Share on other sites More sharing options...
Candi Posted October 6, 2020 Share Posted October 6, 2020 We have a blog article on algae, https://www.aquariumcoop.com/blogs/aquarium/aquarium-algae Bristlenose plecos, otocinclus catfish, snails, and shrimp will clean it up for you. 1 Link to comment Share on other sites More sharing options...
faydout Posted October 6, 2020 Share Posted October 6, 2020 If possible, I'd try adjusting the intensity of your lights, and maybe reduce to 8 or 9 hours a day for now. If you have a light that you can adjust, I'd dial it back to around 50% for a week or two and see if it starts to make a difference in the brown algae. You can adjust up or down from there. I'd also dial back the amount of fertilizer you're using a touch also, to compensate for reducing your lights. 1 Link to comment Share on other sites More sharing options...
Irene Posted October 6, 2020 Share Posted October 6, 2020 Zenzo from Tazawa Tanks made a great video promoting the usage of nerite snails in Afican cichlid tanks to help with algae. 1 Link to comment Share on other sites More sharing options...
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