Reefers Best Salt

[Brent F]

Here's a calculator for dosage of different products for increasing alkalinity
http://home.comcast.net/~jdieck1/chemcalc.html

Here is a table from the calculator showing the effect on PH of various Alkalinity increasing products:

Product........................................... ................Effect on PH
Baking soda.............................................. .......Somewhat lower
Soduim Carbonate Anhyd. (Baked B. Soda)........... Substantially Higher!
Kent's Tech CB Part B Alkalinity...........................Higher
Warner Marine CalxMax Part B Alkalinity................ Moderate Increase
Randy's Recipe 1 Alkalinity Part............................Substantially Higher!
Randy's Recipe 2 Alkalinity Part............................Somewhat lower
Limewater (saturated)....................................... Substantially Higher!
Aq Systems Reef Evo SeaBuffer.......................... Substantially Higher!
Two Little Fisher C-Balance Part B........................Higher
ESV B-Ionic Original Ca Buff Pt 1..........................Substantially Higher!
ESV B-Ionic Bicarbonate Syst Pt 1........................Somewhat lower
Oceans Blend Part 2 of 2 Part Supplement..............Somewhat higher
Seachem Reef Buffer (dry)...................................Substantia lly Higher!
Seachem Reef Builder (dry)................................. Substantially Higher!
Seachem Reef Carbonate (liq)............................. Substantially Higher!
Tropic Marin Bio-Calcium Powder (Also Calcium)...... Minimal
Salifert All in One (Also Calcium)...........................Minimal
Salifert KH + PH Buffer (dry)............................... Higher
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[Delphinus]

Baking soda is fine but you should mix in some washing soda at a ratio of 3:1 or something like that. For the cost of a powder ($20-30 which lasts me months) I've never bothered with baking soda/washing soda. Well, that, and the fact that the washing soda I've seen here has this sort of lemony zesty scent. I don't know what that is, but I'm not putting it in my tank. You can bake baking soda in the oven though to make your own washing soda.

[Delphinus]

The zeo guide does suggest if you use RBS that your weekly changes can slide to every 2 weeks ... so it might not be too bad.