Pros: The Miracle Sealants GRSHNI2 Grout Shield Additive is praised for its ability to mix well with both sanded and non-sanded grout, improving color consistency and water resistance. Users report it saves time by eliminating the need for additional sealing.

Cons: Some customers received expired products with large clumps, rendering them unusable. Others noted the container appeared only half-full upon opening, raising concerns about quantity.

Performance: While some users saw noticeable improvements in grout strength and stain resistance, others found little difference compared to traditional methods.

Customer Service Issues: Several reviews mention difficulty determining product expiration dates due to obscured labels, with some receiving items years past their shelf life.

Verdict: This product shows promise for tile projects but comes with significant quality control concerns. Always check manufacturing dates before purchase.