Two-part dosing
Liquid calcium + alkalinity supplementation via dosing pumps.
Two bottles dosed equal volume daily. Randy Recipe #1 (baked baking soda + CaCl₂) and BRS Two-Part are the popular DIY options. Most accurate dosing method for under $250.
Recommended
Affiliate linksDIY chemicals or ESV B-Ionic pre-mixed.
Arm & Hammer Baking Soda — 13.5 lbBake at 300 °F for 1 hour to convert to soda ash. Cheapest alk source.View on Amazon →BRS Pharma Calcium Chloride (Ca component)CaCl₂·2H₂O (dihydrate) flake for two-part dosing. Matches Randy's recipe math.View on Amazon →ESV B-Ionic Two-PartPre-mixed liquid two-part if you don't want to DIY.View on Amazon →
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