Quote:
Originally Posted by Suckerfishrule
It's been like that for almost a month
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By the looks of the water level you have not been performing water changes, what is your water change schedule? Current water conditions, especially nitrates? How long has the tank been set up? Excess of silicates, a high amount of nutrients, to little light, high nitrates, high phosphates, and too little oxygen can cause blooms as well.