Blue appearing on rocks

[anteatergoanna]

Hi, I have got blue/green patches coming up on my rocks and shells. Can anyone tell me why. Appreciate any comments, thanks


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[Gillie]

This should help http://www.fishlore.com/aquariummagazine/apr08/cyanobacteria.htm

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[anteatergoanna]

Thanks for your link....I can't believe it, I do water changes every week and dont over feed. The plants I buy are from the fish shop, you would think that they would be okay. The tank I have the problem has clown loaches, will the antibiotic hurt them?

 

[ImACoolguy]

Thanks for your link....I can't believe it, I do water changes every week and dont over feed. The plants I buy are from the fish shop, you would think that they would be okay. The tank I have the problem has clown loaches, will the antibiotic hurt them?

Some medications will specifically say "Don't use with Loaches" if it doesn't say I would still google it and see if someone has tried using it with them and how much they dosed. Even if safe for loaches some meds say to half dose with loaches/eels in the tank.


Caleb