Howard, I overwintered 26 RES ranging roughly from 4"-8" at the start of the season in a 100 gallon tank last year. I am sure you could do 100 4"-5" Tilapia in 300 gallons with a similar maintenance regimen. Increasing the fish load would mean more frequent/vigorous cleaning and water changing.

Last edited by Theo Gallus; 10/24/07 05:26 AM. Reason: Reduce the waffle factor. Maybe. If I really should.
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