Tank: 125 litre fluval Roma
perameters: ammonia, nitrate, nitrite all 0, pH usually between 7 - 7.5, temp 28
hi, I have 3 clowns in my tank (alng with 3 glowlights, 2neons, 3 black knife ghosts and recently added cherax quad), and this mornng noticed one of the clowns have more black markings...