Oct 31, 2021 #1 B Bazz56 Aquarium Advice Apprentice Joined Sep 26, 2021 Messages 27 When adding bottle bacteria to filter do I keep my tank light off or on
Oct 31, 2021 #2 Aiken Drum Moderator Site Team Joined Apr 10, 2019 Messages 6,111 Location Derbyshire, UK It doesnt matter. And just pour it in the water, not into the filter. Last edited: Oct 31, 2021