Hi all,
Just set up a new 36 gallon tank. Have 25 CPDs, 8 pygmy cories, 3 peacock gudgeons, 4 honey gourami. Fishless cycled the tank over the past 3 weeks, have 0 ammonia, nitrite and low nitrate for the past few days.
Have had 3 CPDs die over the course of the past few days. Also have had...