How many in a 100Gals?

[focker]

1 per gallon= 100 ps.. load it up stack em on top of each other.

 

[Recycling Works]

i got 6 in a 135, want 4 more

 

[ferco]

omg i can't believe how many replies i have gotten back from this; unfortunately i am no longet getting Piranhas... but mu maye is getting them... so i've basically been printing out these answers and giving him them, currently trying to get him to join here.... telling him it's worh it, but... lol.
I've now got my archers and am upgrading to a much larger tank in the autum; probably about 100gals and am moving the archers in there... cheers again for all the help again.

 

[wahachik]

5-6 rbp's perfect for a 100 gal tank

 

[fishnatic]

Go with the 20gal per fish rule and you should be fine. Good Luck

 

[jthill]

i agree 5 would be perfect for 100gal