Live rock question

[smiley4284]

I just added live rock almost 3 weeks ago. Water looks clear now and nitrates are down. But there is a brown dust like on the live rock. What is it? Do I need to get rid of it and How? Thanks again

 

[Oscarsdad608]

Diatoms, they eat silicates. hey will eventually go away. They will probably get worse first.

 

[dustin_P74]

+1 oscarsdad

 

[yote]

+2 Oscar.