Susan, Try some of the other suggestions already given. EM will only temporarily treat the symptom. If you don't change the conditions that encourage the algae to grow it will return again and again. Antibiotics are used too casually in this hobby already. Mike Wise "Susan C. Jorgensen" wrote: > Hi all- > > I have a 10g with a pair of borellis (thanks again, GK ! ) and about a dozen 2 > wk old fry. The tank has a blue-green algae scourge that I can't get rid of. > > Is it safe to give it a dose of erythromycin, or will that hurt the babies? In > the algae section of the Krib it suggests dosing with 200 mg/10 gals but I > haven't been able to find any info regarding the effect on fry. > > I also have a 20g with moss that's slightly tinged with it, and I'd like to nip > that one in the bud. (4 adults there, no babies) > > Many thanks, and any help appreciated. I'll even name one of the babies after > you! > > Susan Jorgensen > -in Vermont, where the sun doesn't shine (for more than 2 consecutive days). > > ------------------------------------------------------------------------- > This is the apistogramma mailing list, apisto@listbox.com. > For instructions on how to subscribe or unsubscribe or get help, > email apisto-request@listbox.com. > Search http://altavista.digital.com for "Apistogramma Mailing List Archives"! ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!