its not alot of work. right now I am taking out about 2 gal a week and topping it off every day with about a cup of RO. then I change the filter every month. I am yet to have any problems or to do any major cleaning
Nice tank great job...my bro had a 4 gallon tank with sps it even has sump. broke it down and upgraded to larger tank....a 7 gallon he said it was getting crowded in there.