Magnetic Roach Bait

4.5 out of 5 stars 6 Reviews | 4 Q&A

Magnetic Roach Bait
Magnetic Roach Bait

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Average Rating

4.5 out of 5 stars Rating: 4.5

6 Reviews | 4 Q&A

Product Overview

Magnetic Roach Bait is an easy-to-use, long-lasting, highly attractive 33% boric acid bait that can be used as a control or preventative for cockroach infestations. It contains specially formulated organic food components to provide a high level of attractiveness to cockroach populations. This is a 'Green' product, having a low toxicity and still highly effective.

Magnetic Roach Bait is packaged in 1.23 oz. (35g) reservoir tubes and 20 oz. jars. The bait in the reservoir tube can be applied using the plunger unit that comes with the bait or can be applied using the TrueBlue Bait Gun to deliver more uniform applications. The bait in the jar can be applied to larger non-food areas using a spatula. Magnetic Roach Bait works extremely well as a maintenance bait to give long-term protection against adult cockroach populations. The slower active ingredient will also integrate into Cockroach fecal deposits that are fed on by developing nymphs.

Choose from two options: syringe or jar.

The TrueTech True Blue Bait Gun is available for use with the Magnetic Roach Bait syringes.

Features and Specs

Active Ingredient Boric acid 33.3%
Target pests Cockroaches
For use in This product may be used in homes, restaurants, and other food handling establishments, markets, schools, warehouses, factories, offices, hotels, motels, hospitals, nursing homes, garages, grocery stores, apartment buildings, new construction, industrial plants, theaters, ships, boats, trains, yachts, camps, mobile homes, buses, zoos, kennels, military bases, libraries and utilities.
Application Apply multiple dime to quarter sized amounts.
Pet safe Yes, when used as directed.
Formulation Paste
Shelf Life 1 year
Special Features Green Product
Shipping Weight 0.54 lbs
Manufacturer Nisus (Mfg. Number: 30303)
UPC 616609303031
EPA Registration 54452-2



Cockroaches develop by incomplete metamorphosis: egg, nymph and adult. During a normal inspection you will find probably find all three stages. Eggs of cockroaches are retained as a group in an egg case (ootheca). Some species of cockroaches will drop the egg case, some will glue the case to a surface and others, like the German cockroach, will carry the egg case until the young are ready to hatch. The young nymphs are free living and active, and resemble the adults except for size. They are wingless and have not developed reproductive organs. The nymphs grow by a series of molts/instars before reaching the adult stage. The number of molts depends on the species of cockroach. The adults and nymphs of most structural-infesting cockroaches will spend the bulk of their time hiding in cracks and crevices and out-of-the-way harborages and generally only come out at night or in darkness to feed.



  • A professional and thorough inspection is required to determine all the potential harborage and feed availability sites for cockroach development. Different species will develop in different areas. Major areas to inspect in the home are kitchens, in cabinets and under and behind sinks and appliances and in bathroom areas. Different cockroach species can also develop in dresser draws in bedrooms, in attics, basements, crawlspaces, utility areas, boiler and furnace rooms and don’t forget to inspect around the exterior in heavy shrubbery and mulch.


  • It is very important to have the proper identification of the cockroach species. Some of the most common cockroaches you will in counter in a structure are German cockroaches, American cockroaches, oriental cockroaches, brown-banded cockroaches, smoky brown cockroaches and other species, depending on the area of the country.


  • One of the basic and best control measures for any species is to eliminate its food sources. Cleaning up food spills and food crumbs in a kitchen with help prevent German cockroach development. General cleanup of garbage and other organic materials will help deter American and other cockroach species.


  • Keeping the cockroach out of a development area is also an important control measure. Caulking cracks and crevice in kitchens around cabinets and other areas will block potential harborage spots for German cockroaches. Caulking cracks around doors and windows and screening windows and soffit vents will help keep American cockroaches out of structures and attics. Your customer should also inspect items being brought into the structure for possible infestations.


Magnetic Roach Bait can be applied in homes, restaurants, food handling establishments, markets, schools, warehouses, factories, offices, hotels, motels, hospitals, nursing homes, grocery stores, apartment buildings, industrial plants, theaters, ships, boats, trains, yachts, camps, mobile homes, buses, zoos, kennels, military bases, libraries, utilities and new construction.

For general cockroach control, apply bait under and behind refrigerators, stoves, sinks, dishwashers, washing machines and dryers, and into openings around drains, sewers and manholes, water pipes and electrical conduits. The bait can also be applied into cracks and crevices, in corners of cabinets, cupboards and behind drawers. Apply in areas inaccessible to children and pets. Avoid contamination of feed and foodstuffs. These areas of listed applications are where the cockroach would spend most of its time and would be more apt to feed on the bait.

Even though Magnetic Roach Bait may be attractive up cockroaches up to a year, use it in your normal regular maintenance service to control and eliminate populations.

Food and Feed Handling Establishments

Food Areas – Application limited to crack and crevice treatments only:

  • This includes areas for receiving, storage, packing (canning, wrapping, boxing) preparing, edible waste storage and enclosed processing systems such as mills, dairies, bakeries, restaurants or anywhere food or feed is stored, processed, prepared or served as well as serving areas during times when food is exposed and the facility is in operation.
  • Apply in small amounts directly into cracks and crevices in points between different elements of construction, between equipment and floors as well as openings leading to void and hollow spaces in walls, equipment legs and bases, conduits and motor housings. Smaller and numerous bait placements may provide for better cockroach control. Again, these are the areas where the cockroach would spend most of its time and be more attracted to the bait.
  • Care should be taken to avoid depositing the bait into exposed food or onto food prep and serving surfaces.

Serving Areas:

  • This includes areas where foods are served, such as dining rooms, but excluding areas where foods may be prepared or held. Apply as a spot treatment to selective surfaces such as baseboards, under elements of construction into cracks and crevices. Avoid treating areas likely to be contacted by food. Do not apply when food is being prepared or served at the facility or foods are exposed.

Non-Food Areas:

  • This includes garbage rooms, lavatories (floors, drains to sewer entries and vestibules, offices, locker rooms, machine rooms, boiler rooms, garages, mop closets and storage. Apply to baseboard areas, around water pipes, surfaces behind and beneath sinks, lockers, tables, pallets and similar areas where insects hide or may enter.

Note: Do not apply bait into areas that have been or will be sprayed with pesticides or other chemicals or areas that routinely come into contact with water or cleaning actions. Do not place bait where it can be washed or somehow transferred onto food or food prep services.


  • You can’t really tell how the baiting program is progressing without monitoring your progress. The use of the small sticky trap monitoring stations placed in potential population development areas can give you an idea on cockroach populations, including adults and nymphs. These stations can be placed in corners behind drawers and in hidden areas behind equipment. For larger species of cockroaches, a larger glue board may be needed. These can be placed in out-of-the-way areas in attics, storage rooms and furnace rooms. Always document the locations of the monitoring stations on a graph for easy reference and write a date of placement on the station.
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  • 5 of 5 Stars

    5-star product

    By Denise on 12/10/2016

    I have previously used the Magnetic Roach Bait over 20 years ago. I have not had to use the product until recently when a new tenant moved ib next to me. I started seeing roaches not 3-4 weeks after the tenant moved in. I treated my house, and the roaches disappeared after 7-10 days. I love this product!

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    14 of 16 people found this review helpful

  • 4 of 5 Stars

    Demand CS

    By Cyrus on 10/08/2017

    I had some tough to kill roaches in one of my rental properties but after three visits with 7 days interval, they are gone. Good product and good company to deal with.

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    7 of 7 people found this review helpful

  • 3 of 5 Stars


    By Michael on 05/24/2019

    Roaches are not attracted to this gel. Would not reccomend.

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    4 of 5 people found this review helpful

  • 5 of 5 Stars

    roach invaders

    By Lenny on 11/24/2017

    My wife and I own a 6 flat apartment building near our house; one of the apartments had a few roaches in it so we tried the roach bait and it worked perfectly, quite a bit less cost than bringing in an exterminator.

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    3 of 3 people found this review helpful

  • 5 of 5 Stars

    how to get rid of roaches

    By Lenny on 09/14/2018

    my wife and I own a 6 flat apt. building in a suburb next to where we live; once in awhile someone tells us about cockroaches and this magnetic roach bait does the job every time.

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    2 of 2 people found this review helpful

See all 6 customer reviews

Questions & Answers

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Is Magnetic Roach Bait an organic product?

Magnetic Roach Bait is a "green" product since the active ingredient is natural and safe boric acid. It is not, however, a certified organic product.

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2 of 3 people found this answer helpful

How often should I apply Magnetic Roach Bait?

Magnetic Roach Bait

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2 of 2 people found this answer helpful

What is the shelf life (expiration date) of Magnetic Roach Bait?


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0 of 1 people found this answer helpful

Is Magnetic Roach Bait harmful to indoor animals?


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Magnetic Roach Bait 4.5 out of 5 stars Rating: 4.5 (6 Reviews / 4 Q&A)

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