The Planted Tank Forum - View Single Post - CRS for Fluval Spec
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post #6 of (permalink) Old 01-31-2013, 08:11 AM
Planted Member
Join Date: Jun 2008
Location: San Jose, CA
Posts: 268
I had 10 CRS in a 1.5 gallon tank sitting on my desk at work and they bred. Got as many as 30 juvies before I sold them to Ocean Aquarium in SF.

The key was keeping the water clean by using fast growing stem plants like hornwort with medium/high lighting. That kept the nitrates at near undetectable levels.

So my guess is in a 2.5 gal, you could keep like 40 adults, but you'd have to make sure that you either do water changes often, or keep fast growing stem plants.

Last edited by genetao; 01-31-2013 at 08:13 AM. Reason: More info
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