Ok some time this week or next i am going to be getting a new 29 gallon tank and i was wondering what i could do for the filter system i am useing an underground a power filter (rated for 15 gallon tank, also a dueto in tank power filter(20 gallon) and then eventually geting power heads and plants as for fish rite now i have some rosy barbs(2) and soem iredecent sharks(2) and a pleco the barbs are mean to my sharks every once in a while but i need more barbs for them to school and i need them to play nice i would also like to know what snall fish i could put in their that the barbs wouldent bother let me knwo what you guys think thanx Dave