larryag59 January 11, 2017 Share January 11, 2017 Seeing a brown substance starting to coat part of my aragonite substrate. Tank is only about three weeks old, still cycling. Started out with live aragonite, no live rock, one damsel. What is the brown substance? Link to comment Share on other sites More sharing options...
khh27 January 11, 2017 Share January 11, 2017 Diatoms? Does it look like this? Sent from my SM-G930V using Tapatalk Link to comment Share on other sites More sharing options...
larryag59 January 11, 2017 Author Share January 11, 2017 Yes, it does look like that Link to comment Share on other sites More sharing options...
khh27 January 11, 2017 Share January 11, 2017 Diatoms part of the cycle Sent from my SM-G930V using Tapatalk Link to comment Share on other sites More sharing options...
ldballoon4 January 18, 2017 Share January 18, 2017 A normal occurrence in cycling a reef tank. It usually lasts for a short duration of time. Nothing to worry about. Link to comment Share on other sites More sharing options...
larryag59 January 19, 2017 Author Share January 19, 2017 Do I need to do anything about it? I notice some of it is on the glass. I was concerned it might be algae instead. Do diatoms appear on the glass as well? Link to comment Share on other sites More sharing options...
AlanM January 19, 2017 Share January 19, 2017 sure. I'd not worry. Even if they last for a while they aren't a big deal. Link to comment Share on other sites More sharing options...
larryag59 January 19, 2017 Author Share January 19, 2017 Thanks... Link to comment Share on other sites More sharing options...
TonyB13 January 22, 2017 Share January 22, 2017 I am going through the same thing almost done, what I did was increase my water movement with power heads and once a day used the power head to blow off the rocks and then wipe down the glass and wash out my filter socks. Also stir up the sand Sent from my SM-N900T using Tapatalk Link to comment Share on other sites More sharing options...
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