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- Apr 21, 2017
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So my sunny Ds started developing brown slime on 2 of the 3 heads, had them for 3 months or more, they were in a 10 gallon tank and now are in my new 60 gallon, they've had it for what I would say 2 weeks now? Did a revive dip in them and got maybe 80% of the brown off and now it's back again. Not sure what to do. Post a pic of them currently chilling in sand bed.