The best thing to do is just make yourself a simple regular schedule and stick to it and you will only have to invest anout 10 or 20 minutes a day. Much better that a few hours on the weekends. My schedule is simple. Everyday I feed once and add a squirt of iodine. Every fourth day I add a squirt of alk/DKH and a squirt of phytoplankton. Every 6th day I add a teaspon of kalk. which brings me to the end of the seventh day I swap out about 6 or 7 gallons of salt water. Every two weeks i'll blow off the rocks with a powerhead. Every month I give all my pumps, tubes and skimmer a bath. And the cycle repeats. The longest I spend is the one time a month for about an hour cleaning the pumps, tubes and skimmer. So just break your responsibilities into an easy spread out time period and make sure to stick to it. It's so much easier than putting it off and having to spend a 4-5 hour day cleaning up the filth that grew in the tank.