Made by Mardel
They make Maracyn and Maracyn-two.
Maracyn is erythromacin which is a gram positive antibiotic.
Columnaris is a gram negative bacteria.
Use Maracyn-two or better yet use furan-2 by API which is broad spectrum and kills both.
When in doubt as to what kind of bacteria you have use both Maracyn and Maracyn two at the same time. They can be used together.
They make Maracyn and Maracyn-two.
Maracyn is erythromacin which is a gram positive antibiotic.
Columnaris is a gram negative bacteria.
Use Maracyn-two or better yet use furan-2 by API which is broad spectrum and kills both.
When in doubt as to what kind of bacteria you have use both Maracyn and Maracyn two at the same time. They can be used together.