Join Date: Jun 2014
Location: Cape Coral, Florida
Sodium Bicarbonate = baking soda, add about 1 teaspoon per 20 gallons for 2 dKH.
When you said a 135 gallon tank I'm assuming it already has some buffer in it now, so take care that you add only what you need as a difference.
PH will increase as dKH increases, generally.
Latest tank build:
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