two part calcum, biweekly water changes, trace elements my main thing is that i have a ditrus factory and i think it is coming from my skimmer beigning so small so i was going to move that one over to my 20 gal and eventually get a new bigger better one for my 55
i see your almost at 100 to .... congrats lol
and back to your tank how far up from the bottom is your drain it look kinda low