[Resolved] XL Pots and 47L tank To Parent Forum September 26, 2018 at 10:19 am #97 JJBParticipant Hi, could I use 5 XL pots with a 47 litre tank? September 26, 2018 at 10:23 am #98 JoshKeymaster Hi Jay, You can use a 47 litre tank with 5 XL pots , just check the water levels every 5 days or so. Thanks, Josh. You must be logged in to reply to this topic.