Comment by Steve Heitman on November 19, 2012 at 9:35am

I don't know the answer for you, but I use this tool a lot to answer my stocking questions.

www.aqadvisor.com

Hope it helps!

Comment by thefisherman15 on November 19, 2012 at 10:14am

That is a handy tool , thanks !!

Comment by Paul on November 28, 2012 at 4:27am

From what ive heard and read most rainbows are happiest in a 48 inch tank (the bigger species) but i have 2 rainbows in a 3 foot wide tank and they are doing just fine.  Good color, they eat like fat kids, and they are very active... ten seems like a lot but who am I to judge good luck with your tank and make sure you have at least 1:1 female to male ratio for best coloration

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