mass die off

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  1. jerseybabi609

    How Do I Make Sure Is Safe To Return Fish To The Aquarium?

    Hi, recently in attemp to cycle a new tank i had mass die off. Initially i had 4 guppies that died within a day and half. From appearance it looked like it could have been the new tank syndrome. Then my lfs recomended putting 3 or 4 glowlites in there which i already have 7 in my other 10 gallon...