it was not all that much, it was only about 48 hrs worth @ 1/4 tsp per hour, or 3 tablespoons of dry calcium hydroxide. the weird thing is that everything in the tank looked normal/healthy for about 12 hrs after the dosing, and things didn't start dying or showing signs of stress until after the snowstorm. those nitrate/phos levels are the norm for the tank, and everything had been healthy.
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