[AGA Member] Raising GH

[WB4CIW@aol.com]

While you can raise the KH & GH by using Baking Soda, I'm concerned
about the abruptness of the change that could result, and the possible 
"yo-yoing" of the water's chemistries.  
In my 30 gallon tank, to raise my KH & GH, I simply went to the local 
fish store and purchased a 2 pound bag of crushed coral.  
I have, literally, two pinches of the coral in my filter on the return side
so the returning water passes through it.
It raised my GH & KH slowly to where I want it, and as the coral 
dissolves, I replace it a pinch at a time.  In over 5 years, I still have
over a pound and a half remaining.

Frank


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