From reading your other posts it seems like you maybe need to start at the beginning and make sure you've got the basics right.
Adequate water changes, treated with dechlorinator.
Test your water for ammonia and nitrite - should be reading zero - if not you may need to do emergency water changes and add salt (post your results here and research the site to get more advice on this if needed)
Temp should be approx 84 - 86 F.
Good aireation with an airstone and plenty of water movement.
Unfortunately young pbass seem to be pretty fragile and certainly not easy to keep.
Good luck.