We have a product recommendation for your project needs:

Fountain

Siloxa-Tek 8510

A clear, solvent-based, natural finish, deep penetrating, waterproofing sealer providing protection from freeze thaw damage, deicing salt degradation, cracking, spalling, mold and mildew. Siloxa-Tek 8510 also resists staining and makes the concrete easier to clean when exposed to oils, grease and leaves. Apply in two coats roughly 10 minutes apart.