Do I dilute Borax and baking soda

IF you are using borax to raise pH then just pour it slowly into the skimmer. Ditto for baking soda to raise TA. If you are adding borax to add borates to 50 ppm (which is a different use than raising pH) then the procedure is a bit different and is covered in this thread:
viewtopic.php?f=8&t=4921
 
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