Pigmented Grout Sealing Brooklyn- Most contractors prefer water base sealers as they are cheap and easy to apply. That's why they tell you, don't scrub their sealer. These sealers peel and wear off within few months. Re-Grouting Brooklyn the shower is not the permanent solution for your problem. Within a short period of time, your grout will stain again. However, Caponi sealer is quite impressive, protecting your grout for a lifetime.