My phosphates are undetectable with an api test kit. I am able to pick up lots of phosphate from my regular tap water using the same test kit.
I am using 0 tds rodi water
My tank seems fully cycled zero ammonia and nitrite, and did a large 60% water change last night when I siphoned all the sand out of the display. I probably should have done the large water change a week ago.
I will re test tonight to see what my nitrate lvl is.
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