ryan77724 Posted July 2 Share Posted July 2 Was going to use some Marcyn today but ready in the box that it’s not safe for inverts?! With erithromyacin work too? Link to comment Share on other sites More sharing options...
Administrators Cory Posted July 2 Administrators Share Posted July 2 Maracyn and erythromycin are the same active ingredient. Both are safe for inverts in freshwater in my experience. Which has been 15 years, using it on inverts daily in a store environment. Link to comment Share on other sites More sharing options...
ryan77724 Posted July 2 Author Share Posted July 2 Awesome! Thanks! Link to comment Share on other sites More sharing options...
daggaz Posted July 2 Share Posted July 2 (edited) Is it even always necessary to eradicate it? I've got a planted tank and there is some blue green algae that started as a patch in the gravel, and now grows quite heavily on the driftwood. It will colonize the tips of leaves and will cover a dying leaf, but otherwise leaves the plants alone. It looks quite lovely and my shrimp are constantly eating it. It just doesn't seem to be such a big problem... 😕 Edited July 2 by daggaz Link to comment Share on other sites More sharing options...
EricksonAquatics Posted July 3 Share Posted July 3 It’s pretty hard to get rid of without using meds. I had it pretty decent in my 10g and even with manually removing every last speck I could see, it still grew back. It’s an annoying algae. I’ve used both Maracyn and Fritz Slime Out with snails and they were fine both times. I don’t however have shrimp, but I assume you’d be safe for them too 🙂 Link to comment Share on other sites More sharing options...
Tony s Posted July 3 Share Posted July 3 On 7/2/2024 at 1:36 AM, daggaz said: Is it even always necessary to eradicate it As a general rule, yes. You can leave a small amount in, but it usually just grows and takes over. Very difficult to remove without some form of erythromycin. Blue green algae is not an algae, but a photosynthetic bacteria. I’m guessing what you’re seeing is more of a slower growing surface algae than a blue green algae. Bga leaves toxic residue behind and generally just fouls up the water. The way to tell the difference. Bga stinks horrible. Surface algae just smells a bit like a strong smelling seaweed. I’ve lost aquariums before without realizing what was going on. Granted that was new fish in an isolation tank 1 1 Link to comment Share on other sites More sharing options...
daggaz Posted July 3 Share Posted July 3 Yeah ok, must be just normal algae then with a really beautiful deep blue-green color, because it definitely doesn't stink. Thanks, good to know. Link to comment Share on other sites More sharing options...
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