Jan 25, 2015 #21 54seaweed Macro Addict Joined Apr 3, 2012 Messages 7,807 Location Colorado I automatically add the extra 10g with all tank size charts it's better safe than sorry, your 40g is fine as they rate at a 30g
I automatically add the extra 10g with all tank size charts it's better safe than sorry, your 40g is fine as they rate at a 30g