For anyone setting up a new tank here is a good deal for bacteria in a bottle.
https://www.amazon.com/dp/B001LUOW1...&colid=5GOAZA3OVN8L&ref_=lv_ov_lig_dp_it&th=1
https://www.amazon.com/dp/B001LUOW1...&colid=5GOAZA3OVN8L&ref_=lv_ov_lig_dp_it&th=1