try posting in the nano forum, alot of us dont go to other forums than the ones we utilize. as for maintainance, what ever works, i hear ppl saying they need to change water 20 % each week and i have got it to where i do a quick 1 gallon out right after i top off the tank. but my eclipse is almost completly sealed so i dont get but evaporated a cup every week and a half. do regular water parameter tests. at min, u need to do a ph,ammonia,nitrite and nitrate, and chech specific gravity/salinity, makesure everytrhing is properly functioning, nothings clogged or getting dirty, wipe off the lens over the bulb every now and again, and thats all the info am willing to share right now... I have a lot to drink and dont want to give bad advise under altered states. woot