龙鱼鱼缸水浑浊是由于主人换水不勤导致的，要是想改变这一现状，需要增加鱼缸的换水次数，现在有很多人换水的方法都是错误的，其实每次换水只需要换三分之一就可以了，要是全部换掉，鱼儿要花费很多的时间来适应新的环境。
也可以通过加硝化细菌来改善鱼缸里的水质，但是在使用硝化细菌的时候，一定要注意用量，不能过多，因为硝化细菌在培育的过程中也是需要一些氧气的，要是放了太多的硝化细菌，它们非常有可能会和龙鱼争抢氧气，最后可能会导致龙鱼窒息。
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
Severity: Notice
Message: Trying to get property 'id' of non-object
Filename: ask_new/cw_detail.php
Line Number: 136
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'img' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'domain_type' of non-object
Filename: ask_new/cw_detail.php
Line Number: 139
Severity: Notice
Message: Trying to get property 'title' of non-object
Filename: ask_new/cw_detail.php
Line Number: 141
