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Old 05-26-2012, 05:06 PM   #1
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Baking soda

My ph is 8.7. How much baking soda should I use on a 75g
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Old 05-26-2012, 05:27 PM   #2
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None. For the small amount it might drop your pH it will raise your alk.
If you really feel you must drop your pH use either soda water (like Adirondack Seltzer) or vinegar.
High pH: Causes and Cures by Randy Holmes-Farley - Reefkeeping.com
"6 mL of soda water per gallon of aquarium water to achieve a pH drop of about 0.3 pH units."
"1 mL of distilled white vinegar per gallon of aquarium water to achieve an initial pH drop of about 0.3 pH units."
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Old 05-26-2012, 06:09 PM   #3
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Ok thanks you sound like its not a big deal. Should I just let it be? It when down to 8.59 now bk ip
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Old 05-29-2012, 12:12 AM   #4
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Capt. My probe just needed calibrating. Haha.
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Old 05-29-2012, 12:23 AM   #5
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Quote:
Originally Posted by Hardridge
Capt. My probe just needed calibrating. Haha.
Glad it was an easy fix!
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Old 05-29-2012, 01:13 AM   #6
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I know huh. Always thinking worst haha
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Old 06-01-2012, 03:36 PM   #7
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Baking soda would raise your KH and your PH some. Not lower it. It is usually recommended that you bake it for a few hours to drive C02 out of it first. Not recommended for adjusting PH.
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Old 06-01-2012, 04:23 PM   #8
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Thx for info
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Old 06-01-2012, 04:24 PM   #9
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The more you think you know the less you know. Always learning, I love it
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Old 06-01-2012, 06:20 PM   #10
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Quote:
Originally Posted by Gregcoyote View Post
Baking soda would raise your KH and your PH some. Not lower it. It is usually recommended that you bake it for a few hours to drive C02 out of it first. Not recommended for adjusting PH.
Actually plain baking soda will slightly drop your pH. If you bake the baking soda, which in turn drives out the co2, it will have the affect of slightly raising your pH.

An Improved Do-it-Yourself Two-Part Calcium and Alkalinity Supplement System by Randy Holmes-Farley - Reefkeeping.com
"Baked baking soda" - "Adding on the order of 0.5 meq/L of alkalinity increases the pH by about 0.3 pH units immediately upon its addition."
"Regular baking soda" - "Adding on the order of 0.5 meq/L of alkalinity drops the pH by about 0.04 pH units immediately upon its addition."
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