1. 

   sblomgren Well-Known ReefKeeper

   So in my sump I have black algae growing. Is this because of low flow and poor lighting? I know I need to change my filters in my RO but it seems like it is increasing quickly. Thanks

    

   sblomgren, Mar 29, 2011

   #1
2. 

   JB Veteran Reefkeeper

   Are you sure it's not mold/mildew?

    

   JB, Mar 29, 2011

   #2
3. 

   Bud Loves Bacon Website Team Board of Directors Leadership Team GIRS Member Vendor

   I had an outbreak of Dinos in one tank because of snow melt spiking the water quality and a bunch got through my RODI right before the TDS started coming up. The TDS still read zero but the water smelled funny, though I didn't notice. I had a bunch of gooey brown/black globs in my sump. Is that what you're getting?

    

   Bud, Mar 30, 2011

   #3
4. 

   cowdust9 Well-Known ReefKeeper

   i had some black looking algae grown in my sump too and i just added some nano pumps and maxi jets and took care of issue after about a week

    

   cowdust9, Mar 30, 2011

   #4

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