Originally Posted by PolyptRus
Sounds like this is the one i should definitely get
I love it better than the 4 stage I have on my 55 cichlid tank. For your 100gal I would get the filstar xP-XL the flow rate is 4.5x your tank size and rated for tanks up to 265g has 4 media baskets so you can have a HUGE bio filter. Good luck on your decision.