Fritz Slime Out

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  • Eliminates Cyanobacteria
  • Safe for Fish, Plants and Invertebrates
  • Fast Results

Quickly and easily eliminate unsightly cyanobacteria in your aquarium with Fritz Slime Out. It is highly effective against common cyanobacteria strains and will not harm plants, fish or invertebrates. Results may be noticed in as little as one treatment of Slime Out, while more severe outbreaks may require multiple doses.

This product does not impact biological filtration. We recommend using an air stone in the aquarium when treating with Slime Out.

Customer Reviews

Based on 60 reviews
Dallas E. (Murrieta, CA, US)
Works Wonders

I had a huge blue/green slime algae break out in my 75g a while back after I pruned out alot of my water lettuce. I added three packets as said in the directions and within a day or two the slime algae was all gone. Now I always keep a box in my supplies just in case.

Byron S. (Butte, MT, US)
The stuff works, just takes a few doses

It certainly worked. Killed the blue-green algae and no harm to the rest of the tank. Took a few doses but it did work. Just followed the directions on the box.

Ryan (Kansas City, MO, US)
Worked great

Had stubborn blue green slime that I couldn't do anything to get rid of, this stuff seemed to do the trick

S. S.M.

Title says it all. Planted tank product of the decade. Wish I had tried it sooner.

Sean F. (Pottstown, PA, US)
Cleared out Cyano Bacteria Tank as advertised

I had been struggling with green slime algae in my tank for a few weeks. I had not had much luck clearing the slime through water changes and manual scrubbing. After following the treatment schedule for Slime Out the issue has cleared up nicely.