Did you find your missing cory? Hope he's OK.

Hi Larry, what type of filtration did you use for your sterbai tank. With 75% daily water changes would you need one? Just curious.

Thanks Mats, Richard and Larry for the replies. Feel much better that I haven't gone too overboard.

Mats, good catch, sorry reversed the readings on nitrates and nitrites.

I have 55g tank with cories and pl*cos. Tank has been set up for over 4 months. Background. Temperature 78.4 and water parameters good (Ammonia 0, Nitrate 0, & Nitrite 0.5). 30% pwc done weekly alongside gravel vacuuming. Water filtration is provided by Aqua clear 70 and Marineland penguin 350. Tank ...