If the bait contains poison (abamectin), how does the IGR works? I mean, if you kill the insect, where does IGR fit in?

Good question. The abamectin takes about a week to work. In the mean time the roaches spread the bait (with abamectin and IGR around to the other roaches because they eat each other's feces and dead bodies (I know, gross...). The IGR works at a lot lower level, down to just parts per billion. If a little gets back into their hiding places it helps stop them from reproducing even if there isn't enough abamectin to kill them. I like to use this in rotation with fast acting baits like Maxforce Magnum or Advion. The fast acting bait starts killing roaches in 24 hours or less so you get a fast knock down, but can leave stragglers. I them follow up with Vendetta plus 3-7 days later to get long term results. I hope this helps. JoeEntomologist ePestHero

The big roaches wont eat it

If big roaches won't eat this, then you have too much food and too much water available for the roaches to each. Roaches love this stuff in my experience. I'd recommend cleaning the countertops well, behind the fridge and stove and vacuum well all over the house to drastically reduce the amount of food available. Roaches can live a LONG time without food. I raise Dubia roaches to feed my bearded dragon and learned a great deal about roaches before my wife felt comfortable having them in the house, which included reaching out to a professor/biochemist that has been posting papers on his roach research since 1966. Once you have removed as much food as possible, remove water sources. Roaches will climb down the sinks to the traps to get water, they will drink from pet water bowls and so on. Each night, cover/close every sink drain to roaches do not have access to the water, cover tub and shower drains, empty and dry out pet water bowls. I had no issues with the big roaches eating this stuff, but as water becomes a higher demand, the moisture in this gel will make it even more desirable.

Are plungers attached to the tubes, or do they have to be purchased separately?

Plungers can be removed from one tube when it is empty and used on other tubes. When you order from us you get one plunger per order. If you order 1 tube, you get one plunger. If you order 50 tubes, you get one plunger. We also sell bags of plungers separately if you need them: https://www.amazon.com/dp/B01842GCPC

when I start put this gel out do I put out dots in some places or some places put out streams just what best way put this gel out so it work good

Dots, but spread this around a wide area around the house. Behind the stove, fridge, in closets, behind the washer and dryer, anywhere roaches can get to but your pets and young children cannot is a good place. Keep the dots small because it will dry out and you will want to go back occasionally and replace with fresh dots of gel. How long it takes to dry out depends on the humidity levels and temperature in your house but once the gel dries out, it is less desirable to the roaches. Also close off sinks, tubs and shower drains where roaches can climb down to the traps and get water, and empty water bowls for pets each night and dry them so they will not be a source of water and that will make the gel bait even more attractive.

Target Species	Fish
Item Form	Gel
Item Weight	4 Ounces

Vendetta® Plus Cockroach Gel Bait | Odorless German Roach Killer That Fits Standard Bait Guns | German Cockroach Killer | Indoor Home, Commercial, Industrial Use | 4 x 30 Gram Tubes

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