macro problems

I’m planning to purchase some more macroalgae for my tank, and after dealing with ich recently, I really want to quarantine them this time. Going through a 15-week fallow period was rough, and I don’t want to take any chances again. I have a smaller 2-gallon tank that I think could work as a...

I’m dealing with a weird situation where my chaeto, sea lettuce, and pom pom don’t appear to be doing well, but my red ogo is doing great. I have no clue why the green macros (and the Pom Pom) are suffering while the red ogo is thriving, and I’d like to make sure this isn’t indicative of a...