Recent content by parot

ive had it 2 years its a fluval 205 and my tank is a venezia 350 thanks for ur help

last night i noticed that there where small black stones in my tank when i opened the filter the bags of carbon had riped and the carbon was everywhere,this morning 10 of my fish had died and the water was white, it also sounds like the filter is going slower than normal, what can i do?