hey guys hope im doing this right? any way i have some questions about how to filter my tank and when i should start doing water changes? it has been cycling for one week so far and has 20lbs of live sand and15lbs of live rock plus 10 small hermit crabs. do i need to do water changes yet or should i wait till it finishes cycling? o btw its a 29g biocube i have a small charcoal pack in it and a piece of floss in the second chamber do i need bio balls or rubble? so many questions sorry. i just want to do it right so when i do start to introduce things its healthy



