ATM Colony Freshwater – Shrimp-Keeping
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ATM Colony Freshwater

Posted on October 30, 2015 by Shrimp-Keeping

atm colony freshwater

Only aerobic autotrophs perform bio-filtration as we want it in an aquarium, so not just any bacteria will do.  Colony has the right stuff for the right job.

Historically, establishing bio-filtration has been a multi-week process.  As true nitrifying bacteria are slow reproducers, this wait is necessary for colonies to grow large enough to effectively perform bio-filtration with a full bio-load.  Colony effectively fast-forwards the process by pre-culturing these bacteria and delivering a fully intact bio-filter into any new aquarium.


  • To rapidly establish bi0-filtration in new aquarium
  • After medicating
  • When adding new livestock
  • Replacing media

We now stock Colony Freshwater , the prefect bacteria for any shrimp tank.

ATM Colony Freshwater


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