I have decided im going to setup a larger tank than one I have and I intend to add same gravel as other tank, and adding some filter media to the new filter as well as using a sponge filter attached to filter water intake, will this aid in cycling going to be seting up 30 gal current is 20 gal but I am going to be running a uv sterilizer with the filter(eheim eco) but I will be using the hydra aquatics sponge filter wich is attached to the intake my question is will this hinder sterilizer's ability to help destroy things such as ick, alagea ect? only fish have in th 20 gal right now is a silver hatchetfish im powerfeeding to help him reach 2"