sansouci01
Aquarium Advice FINatic
I'm having a problem with green and brown algae growing on my rocks.. I've read that it could be caused by high nitrate levels. My nitrate level is between 20 and 30 ppm. Is this too high ?
nitrates and algea
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aqua_chem
Aquarium Advice Addict
Generally not, or at least not in those ranges. What's the stats on your tank (ie, light, age, ferts, etc)?
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sansouci01
Aquarium Advice FINatic
it's a 55 gallon tank. I'm using a 40w GE aqua ray light that's on about 8 hours a day. No live plants. I did change over from gravel to sand about 2 months ago. Everything else in the water tested good.
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