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Originally Posted by BrainVat
The water you add in each water change will probably at pH=7, and the water you remove will contain some of your alkalinity, which is buffering your pH at 8.33. It's fine if you want to do large, frequent water changes, but remember that you will have to replenish your alkalinity with small amounts of bicarbonate (baking soda).
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If the water I am adding in a water change is at 7 then I forgot to use salt
my normal water change water mixes to 8.2
a Ca reactor will also do a very good job of controlling PH/Alk/Ca once it is dialed in right as it is a total replacement setup.
Using baking soda is only a temporary PH change. and a week buffer at that as it is depleted very quickly in a high use tank. I recommend making a proper two part additive and using that in a tank where you don't have a Ca reactor or a kalk reactor, and in tanks that have theres only use it for infrequent adjustments.
Steve
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