LostLoach
Aquarium Advice Activist
i just set up a new tank 20g hex with marineland bio wheel hob filter rated for 30 gallons i think its gonna be fish only atleast for now..i have a few questions. should i take the UG filter out? do i need a skimmer? whats better rock or sand? why? and can i have live rock?? thanks you for any input and lemme know some cool fish or inverts i can have when im cycled?! THANKS-david