Clear impregnating sealer that preserves the natural appearance of stone. Tenax Hydrex is a penetrating impregnating sealer that protects stone from water and oil-based stains without altering the color or appearance of the surface — the stone looks exactly as it did before sealing. Waterproof and oil-proof while remaining breathable, Hydrex is particularly effective on polished granite, Carrara, Thassos, Trani, and similar dense polished stones where a color-enhancing sealer is not desired. Coverage: approximately 215–323 sq. ft. per quart depending on stone porosity. 2-year shelf life. Indoor and outdoor use. Key Features Natural effect — no color change; stone looks exactly as before sealing Waterproof and oil-proof impregnating protection Breathable formula — allows stone to breathe naturally Particularly effective on polished granite and polished marble Indoor and outdoor use Coverage: 215–323 sq. ft. per quart 2-year shelf life Hydrex vs. Proseal vs. Ager — Which to Choose Hydrex (this product) — natural effect; no color change; waterproof and oil-proof; breathable; best for polished granite and marble where appearance must be preserved exactly Proseal Premium — natural effect; premium impregnating protection up to 5 years; broader stone compatibility Proseal P — natural effect with possible slight color enhancement on very porous stone; high stain protection on porous surfaces Ager — color-enhancing; deepens and enriches stone color while sealing; use when wet-look enhancement is desired Compatible Materials Polished granite (primary application) Polished marble — Carrara, Thassos, Trani, Botticini, Marfill, and similar All natural stone — quartzite, limestone, travertine, slate Indoor and outdoor surfaces How to Apply Ensure the surface is clean and completely dry Apply evenly using a clean sponge, cloth, or brush until the surface no longer absorbs the product Immediately buff with a clean, dry cloth to remove excess — excess product creates a glossy or sticky film Wait 10–15 minutes and repeat if needed For floors, do not walk on the treated surface for 24 hours Test on a small hidden area before first use Note: Hydrex does not prevent etching on marble. Acidic substances (wine, citrus, tomato, coffee) will etch marble regardless of sealer. For etching issues, use Tenax TeEtch Etch Remover. Works Well With Tenax Proseal Premium — premium impregnating sealer for up to 5-year protection Tenax Ager — color-enhancing alternative when wet-look enhancement is desired BrioAction 3 Professional Stain Remover — clean stone thoroughly before sealing Sealer & Wax Remover — strip old sealer before reapplying Hydrex Tenax TeEtch Etch Remover — for removing etch marks on marble before sealing Further Reading Which Tenax Sealer Do You Need? Hydrex, Proseal & Ager Explained → — full comparison of all 6 Tenax sealers with a quick-reference chart. ProToolHaus – Your Certified Tenax USA Distributor When you buy from ProToolHaus, you’re ordering from a certified distributor of Tenax USA. We carry the full lineup and stand behind every product with expert guidance, fast fulfillment, and the kind of support that only comes from working in the stone industry every day.
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