Pepere Posted March 20 Share Posted March 20 (edited) I am guessing it is some sort of Algae. It is mostly only forming on the Cardinal Lobelia plants and glass. I have been rubbing it off leaves and snipping the ones more covered. I have cut off clean top growth and replanted while discarding lower coated growth. None of the other plants seem affected. It is only in 1 tank. does anyone know what it is? Edited March 20 by Pepere Link to comment Share on other sites More sharing options...
JoeQ Posted March 20 Share Posted March 20 (edited) My first guess would be a bio film/brown algae, do you skim? Have aggressive surface agitation? Could be the oils in foods released into the water column & sticking to objects Edited March 20 by JoeQ Link to comment Share on other sites More sharing options...
Bsquared Posted March 20 Share Posted March 20 That looks like diatoms. Is the tank newly setup? It typically forms early on when a new tank is setup and will dissipate on its own as the ecosystem becomes established. Link to comment Share on other sites More sharing options...
Pepere Posted March 20 Author Share Posted March 20 On 3/20/2024 at 12:06 PM, JoeQ said: first guess would be a bio film/brown algae, do you skim? Yes, there is a glass skimmer intake pipe and good surface rippling. On 3/20/2024 at 1:25 PM, Bsquared said: That looks like diatoms. Is the tank newly setup? Nope, over a year old. Appeared about a month or so ago. Link to comment Share on other sites More sharing options...
Bsquared Posted March 20 Share Posted March 20 Interesting, any other changes that you have made recently? Link to comment Share on other sites More sharing options...
Pepere Posted March 20 Author Share Posted March 20 closeup view. no changes prior to this first occurring. I did do a significant rescape after battling it for a bit, no real change since. Link to comment Share on other sites More sharing options...
JoeQ Posted March 20 Share Posted March 20 Imo its something in the water, its only affecting that plant by the intake tube and the tube itself where you are drawing water to. Maybe add some filter floss to polish the water a bit more to see if that takes care of it. Link to comment Share on other sites More sharing options...
Pepere Posted March 20 Author Share Posted March 20 No, the plants used to be on the other corner and had it there too. filtration wih fluval 207 with new quick clear polishing pad every month. Link to comment Share on other sites More sharing options...
JoeQ Posted March 20 Share Posted March 20 Maybe you kicked something up rescaping? Link to comment Share on other sites More sharing options...
Pepere Posted March 20 Author Share Posted March 20 On 3/20/2024 at 3:02 PM, JoeQ said: Maybe you kicked something up rescaping? Except it was present for a month or so before the rescape. Link to comment Share on other sites More sharing options...
JoeQ Posted March 20 Share Posted March 20 On 3/20/2024 at 3:24 PM, Pepere said: Except it was present for a month or so before the rescape. Might have needed the right conditions to grow? Link to comment Share on other sites More sharing options...
Pepere Posted March 20 Author Share Posted March 20 On 3/20/2024 at 3:26 PM, JoeQ said: Might have needed the right conditions to grow? If anything it was worse before. Link to comment Share on other sites More sharing options...
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