于 2003-10-10 00:12 i have use the Cu treatment for a few day .... Cu level about 0.45ppm the fish stop to die anymore and the white dot is decreasing.... so i use this time to buy some fish.... because i think as there is some medicine in my tank, the white dot parasite should be killed ,the new fish should not get the white dot... the new fish seems to tolerate the environment and no more white dot in the new fish .... However may be due to the Cu already destroyed the nitobacter the NH3 start to rise and the No2 remain no change ... it is like the start of the N cycle..... so i have to use the change water method to decrease the toxic NH3 level....
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white dot...... - chauym , 2003-09-23 23:55
