多谢ctimeagain。我里面种了草，几天下来发现叶子发黄，就想开灯补光。

所有跟帖： 

• that's not because of light, that's because of water condition, -Accountant06- ♀ (0 bytes) () 08/30/2010 postreply 12:19:10

• 哦，我测了下PH值，好象正常。会不会是因为水里含别的物质了？ -篱笆08- ♀ (0 bytes) () 08/30/2010 postreply 12:22:16