Just curious at what point I should become concerned about the diatom bloom? In my first tank it lasted about 2 weeks. This tank is going on over 3 weeks and it shows no signs of slowing down. I know it's normal in a new tank and nobody can give me an exact length of time, but at what point should I start looking into possible sources of silicates? I'm using RODI. Tank has been up about 2 months and this started about 3 weeks ago.



