12-03-2009, 07:12 AM
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Originally Posted by NC Frank
Day 7 - more signs of a diatom bloom as the gravel bed is now mostly covered with the brown stuff. The base rock is now showing more and the live rock is covered in it almost completely.
Water test results (All API tests from master and master reef test kits - salinity from a newly calibrated refractometer).
PH - 8.0
Ammonia - 0
Nitrite - 0
Nitrate - 5
KH - 8
Salinity - 1.029 (don't know how this is possible as I used premixed water and RO for top offs.
I see a KH reading of 8 here. Is that from a Carbonate Hardness Test? If so, this is in the range, but in the lower part of the range. Test kits suggest 7-12 dKH; I try to keep mine between 8-12 dKH.