Recent content by QuanleePrime

I just changed the water and the nitrates are fine. I change about 1/3 of the water when I do. Filter maintenance: once a month change of the lower level sponge and every three months a change of the carbon and upper level rocks.

Two-year goldfish owner, currently holding four goldfish in a 40-gallon tank. Filter is designed for a 70-gallon tank, pH is perfect, weekly water changes. However, in the last few water changes, ONE fish of the four will suddenly get sick. Symptoms were typically of tail rot, so I've treated...