I dose to a 265 plus the sump, and I have been adding 25mL every 3rd day to the location in the sump that is farthest from going into the display. On the 3rd dose today I bumped up to 30mL and will likely do that on the 4th and 5th dose as well.
I will retest nitrate and phosphate later today, but when I started it was zero for both.
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