How Many Fish?


Do not add all of your fish the first week.  Add one group then 3 weeks.  When you add the second group of fish add some additional biological starter such as “Fritz-Zyme”Add a few more fish each month until your tank is fully populated.  Here is a guideline for stocking your tank. 

Numbers are based on average size fish (1"-1 1/2") and normal filtration (undergravel filter with power filter.)

 
Here is a guidelines for stocking your tank. 

Tank Size Maximum Number First Week Fish Capacity
10 gal. 4   8-12
20 gal. 6 10-14
30 gal. 6 12-18
55 gal. 10 15-30

*    Numbers are based on Swordtail sized fish with an undergravel and power filter.




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Elmer's Aquarium    4005 William Penn Hwy.  Monroeville Pa. 15146,   (Mon-Sat  10-9:30,  Sunday  12-5)   ( 412-372-6535)
Aquarium Specialist Since 1969