Does cockroach gel bait work?

Yes—cockroach gel bait works when you use it the right way. It beats sprays for German cockroaches because it sits inside harborage zones, stays available for hours to days, and can spread through the colony via secondary transfer. Expect visible drop in 36–48 hours and broad control in ~1–2 weeks in typical indoor sites.

Why gel bait works (the mechanics)

• Behavior match: Roaches are nocturnal, edge-following insects. Gel placed in cracks, corners, hinges, toe-kicks, pipe cut-outs meets them where they travel.

• Continuous access: Unlike a quick spray pass, gel is a persistent food source. Roaches return to feed repeatedly.

• Secondary transfer: Exposed roaches can pass the active to nestmates by feces, regurgitation, and contact, pushing control beyond what you see.

• Low disruption: Quality gels are non-repellent. Roaches feed without being driven away, which boosts intake.

What makes gel bait NOT work

• Competing food everywhere: Open food, grease films, crumbs, pet bowls. Fix sanitation or bait uptake drops.

• Wet, hot, or oily surfaces: Steam, fryer splash, and degreasers dry or contaminate gel.

• Repellents nearby: Sprays, strong cleaners, and fragrances suppress feeding if applied on/near bait.

• Too few placements: A couple of big blobs don’t beat many small micro-dots spread along edges.

• No follow-up: Heavy sites need rechecks and top-ups until pressure falls.

How to use gel so it works (and keeps working)

• Prep light, place smart: Degrease and dry target edges. After you place the dots, don’t wipe those exact spots.

• Micro-dots over blobs: Many rice- to pea-size dots along edges and harborage mouths outperform a few big ones.

• Go to the evidence: Place near smear marks, droppings, shed skins, trap hits, and warm motor housings.

• Spacing guide: About 12–18 in (30–45 cm) along runways; 6–8 in (15–20 cm) in hotspots.

• Separate from sprays/dusts: If both are needed, separate by time and location so bait remains attractive.

• Monitor & refresh: Check at 48–72 hours; replace eaten/dried dots, move untouched dots closer to activity. Maintain until traps and sightings trend down.

When to expect results

• 36–48 hours: Fewer sightings around baited areas.

• 7–14 days: Significant population drop if sanitation and placement are solid.

• Ongoing: In clean, protected placements, gel can keep suppressing activity for 3–6 months. High-pressure sites may need 2–4-week touch-ups at first.

Simple success signals

• Fewer fresh droppings and smear marks around appliances.

• Trap counts trending down week over week.

• Nymph sightings drop first, then adults.

Safety & compliance

• Follow the product label and local regulations. Keep away from children and pets.

• Store tubes cool, dry, out of sunlight; cap tightly after use.

• Pair baiting with sanitation and exclusion (close gaps, fix leaks) for durable results.

About this product

Cockroach Killer Gel (POMAIS) is a professional-grade gel formulated for micro-dot crack-and-crevice placements. It’s designed for fast visible reduction and sustained control when used within an IPM program. The syringe format delivers precise dots in tight harborages, the matrix supports secondary transfer, and unopened tubes carry an approx. 2-year shelf life under proper storage. Always read and follow the label.