He said hes not USING UGF!
And yes you need bubbles for your freshwater tank to oxygenate the water and for bacteria amd ammonia exchange. Imo more bubbles the better! Walmart sells an aquatec dual outlet bubbler for 15$ and it pushes alot of air! And if you want a good easy and effiecent canister RENA FILSTAR XP4! OR EVEN XP3! Remember to not clean the bio media cuz u need it to start seeding ur new rena asap!
And yes you need bubbles for your freshwater tank to oxygenate the water and for bacteria amd ammonia exchange. Imo more bubbles the better! Walmart sells an aquatec dual outlet bubbler for 15$ and it pushes alot of air! And if you want a good easy and effiecent canister RENA FILSTAR XP4! OR EVEN XP3! Remember to not clean the bio media cuz u need it to start seeding ur new rena asap!