Brown algea clearing

[MSC1973]

The brown algea I had is clearing and all but gone. My questions are my ammonia is still at .50 and my dormant rock is not showing the signs of life that it did when the algea was around all other levels are good ph is a little low. Am I doing this right?

 

[Bectan01]

How have you been cycling the tank? How long has it been at that level? What's in your tank and what equipment are you using?

 

[MSC1973]

300 litre 1200 fluval filter led lights live rock no fish going for a month live sand dormant rock that's it.

 

[MSC1973]

Sorry 300 litre tank

 

[Bectan01]

What did you use to cycle the tank?

 

[MSC1973]

Nothing just the rock and sand. Water Dc live sand that's it.