Guides to keeping discus.

Originally posted by FreEsTyLeR
I dunn think is the bad water condition, l had check all the water parameter but all is acceptable. Ammonia = 5, Nitrite = 0 & Nitrate = 10 and one of my PB have many black gains on its face like pimples but others have very very little on them, Funny rite...

U need to change more water!