- $16.50Sodium Carbonate Anhydrous ACS, Certified, 500 GramsAmazon
- $2.99Sodium Carbonate - 1 pound bagNuts.com
- $10.95Photographers' Formulary Sodium Carbonate, Monohydrate - 1 Lb. 10-1190 1LBB&H Photo
- $6.44Comet USA LLC | COMET Cleaner & Deodorizer: 21 oz, Can, No - Powder, Limestone, Sodium Carbonate, Symclosene, Benzenesulfonic AcidMSC Industrial Direct