It's GH, or general hardness for fresh water, and KH for salt, being the total disolved carbonates, or Alkalinity of the water. It's ability to neutralize acids.
That's how I understood it. I could be wrong.
PH is 8.3,
temp 78-79,
SG 1.025
Ammonia 0
Nitrite 0
Nitrate <5
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This all started with a ten gallon and two clowns.
Last edited by Myanth; 02-18-2006 at 06:15 AM.
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