How to ad baking soda?

raypadro

New member
Hello,I have a 55 gal with calcium in 400 but my alk seems to drop a little bit daily.Can I solve this problem ading baking soda?
If thats the way how I'll do it.do I ad directly to my sump or can I ad it to my top off water,thanks.
 
Yes, you can do it either way, just dissolve it in some fresh water first.

In general, I'd recommend using a balanced calcium and alkalinity additive, even if calcium seems to be stable. It is dropping too, just much more slowly, as shown in the first article below.

The second one shows how to make a DIY two part additive system from baking soda and other ingredients, and the third one compares all the different balanced methods.

When Do Calcium and Alkalinity Demand Not Exactly Balance?
http://reefkeeping.com/issues/2004-12/rhf/index.htm

An Improved Do-it-Yourself Two-Part Calcium and Alkalinity Supplement System
http://reefkeeping.com/issues/2006-02/rhf/index.php

How to Select a Calcium and Alkalinity Supplementation Scheme
http://www.advancedaquarist.com/issues/feb2003/chem.htm

this may also help:

Solving Calcium and Alkalinity Problems
http://www.advancedaquarist.com/issues/nov2002/chem.htm
 
Calcium seems to be stable between 400-420 is just the alk that drops about 1DKH in a matter of a week.Should I try kalkwasser or try to raise just the alk.To be honest I'm not good in that of measure and mixing ingredients,thanks.I read all the articles but I just want to make sure that I understand what you try to explain,I don't understand at 100 percent what you write in there because my first language is spanish and there are some words
I can get confuse with.Again thanks for your time,Ray.
 
Calcium seems to be stable between 400-420 is just the alk that drops about 1DKH in a matter of a week.

I understand, but the "stability" likely just an illusion based on kit testing precision and accuracy, Calcium would only be expected to drop by 7 ppm if alkalinity dropped by 1 dKH. That is why I'd dose both. Not dosing calcium will slowly generate a low calcium problem.

Limewater (kalkwasser) is a fine way to go. If you want less mixing, a commercial two part system like B-ionic is a good way to go.
 
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