Jeff_F Posted May 12 Share Posted May 12 Help.....new algae forming. I believe I have some Black Beard algae and some green algae. I have a 30 gallon tank that is planted and has been looking very good with good plant growth. I have an Aquarium coop light set at 70%, do CO2 injection and do Easy Green fertilization with 3 pumps twice a week. I wanted to do some Red plants so I purchased some a week ago and put them into the tank. I put the lights up to 80% because of the red plants. A few days ago I noticed the algae forming. I turned the lights back down to 70% My phosphate and nitrates had been trending high prior to adding the red plants. Phosphate around 2 and nitrates around 50ppm. I did a approximate 40% water change which brought the them down to about 1 and 25ppm. I've looked online but the advise is confusing. One place says to add more fertilizer other places say to reduce fertilizer I'm not sure what to do at this point. Any suggestions? Link to comment Share on other sites More sharing options...
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