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(Q)- Baking Soda to increase Carbonate Hardness?
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To: Aquatic-Plants at actwin_com
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Subject: (Q)- Baking Soda to increase Carbonate Hardness?
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From: George Booth <booth at hpmtlgb1_lvld.hp.com>
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Date: Tue, 09 Jan 1996 08:50:01 -0700
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In-Reply-To: Your message of "Thu, 04 Jan 1996 03:39:02 EST." <199601040839.DAA12252 at looney_actwin.com>
> From: Calvin Chin <ad7437188 at v9001_ntu.ac.sg>
> Date: Thu, 04 Jan 1996 08:10:05 +0800
>
> I wonder if baking soda can be used to buffer my soft water to prevent
> sudden decreases in PH. If so, what is the rule of the thumb to adding
> it to water? I am currently using Dupla's KH increase tablets. They're
> good, but way too expensive. Any replys are appreciated.
One teaspoon (about 6 grams) of sodium bicarbonate (NaHCO3) per 50
liters of water will increase KH by 4 degrees and will not increase
general hardness. Two teaspoons (about 4 grams) of calcium carbonate
(CaCO3) per 50 liters of water will increase both KH and GH by 4
degrees. Different proportions of each can be used to get the correct
KH/GH balance dictated by the fish and plants in the tank. Since it
is difficult to accurately measure small quantities of dry chemicals
at home, a test kit should be used to verify the actual KH and GH that
is achieved.
George in Sunny Colorado