Erythromycin tx for cyano, opinions?

[Brookster123]

Excellent, i didnt have any blowback either, some said it would trash the bb colony??

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[Rodeo one]

I read that it would & I read that it wouldn t . Just like practically anything else you research. I ve treated it before in this tank but didn t check the readings as close as I did this time.


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[Delapool]

If it did impact the bb they recovered in a few days?