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Data as of Oct 18, 2026Based on 128 AI responses
Reviewed by Dimitry Apollonsky
AI summary
Zep holds a wide lead for cleaning stained and moldy tile grout. For re-sealing bathtubs, GE Sealants & Adhesives is the usual answer.
Rank and Mentioned in · since Jul 5
| # | Brand | Recommended for | Mentioned in |
|---|---|---|---|
| 1 | heavy-duty cleaning for stained tile floors and moldy shower grout | heavy-duty cleaning for stained tile floors and moldy shower grout | 49% |
| 2 | routine cleaning of stained tile grout and floors | routine cleaning of stained tile grout and floors | 27% |
| 3 | 23% | ||
| 4 | flexible bathtub sealing on fiberglass and acrylic tubs | flexible bathtub sealing on fiberglass and acrylic tubs | 22% |
| 5 | re-sealing bathtubs and flexible joint sealing | re-sealing bathtubs and flexible joint sealing | 20% |
| 6 | resealing bathtubs and general bathroom caulk repair | resealing bathtubs and general bathroom caulk repair | 20% |
| 7 | waterproof bathtub caulking requiring long-term flexibility | waterproof bathtub caulking requiring long-term flexibility | 20% |
| 8 | cleaning stained tile grout without harming stone surfaces | cleaning stained tile grout without harming stone surfaces | 13% |
| 9 | daily maintenance and treating discolored shower grout | daily maintenance and treating discolored shower grout | 12% |
| 10 | treating stubborn mold and mildew on shower grout | treating stubborn mold and mildew on shower grout | 10% |
| 11 | 9% | ||
| 12 | 6% | ||
| 13 | 6% | ||
| 14 | 5% | ||
| 15 | 4% |
What’s changing · since July
Since July, DAPrising has become the go-to answer for bathtub caulking questions. Mentions have also increased across the market for Zeprising, Black Diamond Stoneworksrising, and RMR Solutionsrising.
Weeks of Sep 21 – Oct 5, 2026 · Since Jul 5
Rankings by topic:
Widest split: GE Advanced Silicone 2 Kitchen & Bath Sealant, 26% on ChatGPT Search and 12% on Google AI Mode.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| Zep | 47% | 52% | |
| Black Diamond Stoneworks | 26% | 28% | |
| Clorox Toilet Plunger | 22% | 25% | |
| Gorilla Tough | 26% | 17% | |
| GE Sealants & Adhesives | 25% | 15% | |
| DAP | 24% | 17% | |
| GE Advanced Silicone 2 Kitchen & Bath Sealant | 26% | 12% | |
| Granite Gold | 16% | 8% | |
| Clorox Plus Tilex Daily Shower | 12% | 12% | |
| RMR Solutions | 13% | 7% |
13% of citations point at the ranked brands’ own sites. bobvila.com, youtube.com, goodhousekeeping.com are the most-cited sites outside the ranked brands’ own domains.
Can you recommend a good caulk for re-sealing a tub?
I need to replace the caulk around my bathtub. What's the best kind to use to prevent mold?
The grout in my shower is moldy and gross. What is the best grout cleaner to make it look new again?
What is the best grout cleaner for stained tile floors?
What's the most effective method for cleaning stained grout in a bathroom shower?
