- Joined
- Mar 10, 2015
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I got a hanna dkh checker. Found out that my my alk was 5.5dkh. I did a water change brought it to 6.6 dkh. I would like to get to 8.0. I have 25 gallon with 15 gallon sump. Should i use baking soda to get it up to 8.0 or use b-ionic 2 part. Calcium is at 420.