With my LPS focused tanks, I don't care too much about the Ca and Mg. So it seems that the KH Guardian that focuses on KH alone is a perfect choice for me.
Anyone have tried the KHG / KH Guardian?
Anyone have tried the KHG / KH Guardian?
KH Guardian (KHG)
The KHG is an all-in-one device that automatically monitors and manages carbonate hardness values throughout the day. Such an instrument is often...
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