talkalot82 Posted July 12, 2017 Share Posted July 12, 2017 Normally I'm a every few weeks to once a month water changer. My tank has been set up for two years and is tested regularly and healthy and happy. But lately I've been sanding out scratched so I've been doing 10 gallon water change every few day to help get the sanding debris out of my tank. My display is 120 Gallons, and my Sump filled part way aprox. 30 gallon. Im on sanding day 5.. slow but comming nicely. Anyway all of a sudden I'm getting brown algae out of no where. I always had a little on my tank walls when I magged scrapped, but non anywhere else. Now it's on my sand and rocks. Am i changing out too much water? Quote Link to comment Share on other sites More sharing options...
Exodus Posted July 12, 2017 Share Posted July 12, 2017 (edited) I do know algae feeds off silicates, maybe the increased amount of water changes is introducing more silicates to the tank. Edited July 12, 2017 by Exodus spelling Quote Link to comment Share on other sites More sharing options...
nate.hobart.1 Posted July 13, 2017 Share Posted July 13, 2017 Dunno where you are at but PDX does have pretty high silicates in the tap water... Quote Link to comment Share on other sites More sharing options...
talkalot82 Posted July 13, 2017 Author Share Posted July 13, 2017 I'm in Springfield. Area is low. But I also am using rodi water... maybe I'll test though. Maybe time for new filters in it.. Quote Link to comment Share on other sites More sharing options...
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