The following models scored the best results in our test.
Results table
Full results for all models are shown in the table below.
Products | Performance | Specifications |
|---|
| Brand / model (in rank order within groups) | Overall score (%) | American cockroaches (seconds) | German cockroaches (seconds) | Active ingredient | Container | Size (g) | Price (per 100g / mL)* |
|---|
| KNOCKDOWN SPRAY (scored in seconds) |
Baygon Target Kill Crawling Insect Spray Antibacterial
www.scjohnson.com.au |
na |
88 |
41 |
0.7g/kg imiprothrin, 2g/kg cypermethrin |
Can |
350 |
2.57 |
Raid Multipurpose Insect Killer Odourless
www.scjohnson.com.au |
na |
239 |
65 |
1g/kg permethrin, 4g/kg tetramethrin |
Can |
250 |
1.60 |
Woolworths Select Low Irritant Insect Spray
www.woolworths.com.au |
na |
634 |
120 |
1.08g/kg tetramethrin, 0.25g/kg phenothrin, 2.17g/kg piperonyl butoxide, 3.18g/kg n-octyl bicycloheptene dicarboximide |
Can |
250 |
1.51 |
Home Brand Insect Spray Low Irritant
www.woolworths.com.au |
na |
676 |
102 |
1.08g/kg tetramethrin, 0.25g/kg phenothrin, 2.17g/kg piperonyl butoxide, 3.18g/kg n-octyl bicycloheptene dicarboximide |
Can |
300 |
0.69 |
| SURFACE SPRAY |
% |
% |
% |
|
Atlas High Performance Surface Spray
www.aldi.com.au |
100 |
100 |
100 |
0.7g/kg imiprothrin, 2g/kg cypermethrin |
Can |
250 |
1.60 |
Baygon Do-It-Yourself Indoor Expert Home Surface Spray
www.scjohnson.com.au |
100 |
100 |
100 |
1g/kg imiprothrin, 0.5g/kg deltamethrin |
Can |
430 |
2.56 |
Mortein Do-It-Yourself Professional Indoor Surface Spray
www.mortein.com.au |
100 |
100 |
100 |
0.6g/L deltamethrin |
Bottle |
1000 |
2.00 |
Atlas Crawling Insect Surface Spray
www.aldi.com.au |
98 |
97 |
100 |
2.79 g/kg permethrin, 0.15 g/kg imiprothrin |
Can |
250 |
0.84 |
Brunnings Ant and Termite Spider, Cockroach Killer
www.brunnings.com.au |
98 |
97 |
100 |
100g/L permethrin |
Bottle |
500 |
4.00 |
Crawly Cruncher Household Insecticide / Surface Spray
07 3255 5027 |
92 |
83 |
100 |
38g/L diazinon |
Bottle |
1000 |
0.95 |
Coles Smartbuy Surface Spray Low Irritant
www.coles.com.au |
90 |
83 |
97 |
2.79g/kg permethrin, 1.38g/kg tetramethrin |
Can |
250 |
0.83 |
Baygon High Performance Egg Kill Crawling Insect Surface Spray
www.scjohnson.com.au |
87 |
97 |
77 |
2g/kg cypermethrin, 3.5g/kg tetramethrin, 3g/kg (s)-hydroprene |
Can |
250 |
2.91 |
Hovex 2 in 1 Outdoor & Indoor Surface Spray
www.pascoes.com.au |
80 |
70 |
90 |
0.5g/L bifenthrin |
Bottle |
2000 |
1.00 |
| BAITS AND TRAPS |
% |
% |
% |
|
Hovex Natural Cockroach Traps (A)
www.pascoes.com.au |
45 |
21 |
69 |
no chemicals used according to manufacturer |
na |
|
1.49 |
Mortein Lure'n'Kill Cockroach Baits
www.mortein.com.au |
44 |
31 |
58 |
2.5g/kg indoxacarb |
na |
|
0.67 |
| NOT RECOMMENDED |
|
secs |
secs |
|
Pea Beu Insect Killer Fast Kill Low Allergenic Odourless (knockdown spray)
www.reckittbenckiser.com |
|
509 |
103 |
2.09g/kg bioallethrin, 0.39g/kg bioresmethrin |
Can |
250 |
1.60 |
| |
3 Month update result table
| Products | Performance | Specifications |
|---|
| Brand / model (in rank order within groups) | Overall score (%) | American cockroaches | German cockroaches | Active ingredient (s) | Container | Size (g) | Price (per 100g / mL)* |
|---|
| SURFACE SPRAY |
| Baygon Do-It-Yourself Indoor Expert Home Surface Spray |
100 |
100 |
100 |
1g/kg imiprothrin, 0.5g/kg deltamethrin |
Can |
430 |
2.56 |
| Mortein Do-It-Yourself Professional Indoor Surface Spray |
100 |
100 |
100 |
0.6g/L deltamethrin |
Spray pack |
1000 |
2.00 |
| Atlas High Performance Surface Spray |
98 |
97 |
100 |
0.7g/kg imiprothrin, 2g/kg cypermethrin |
Can |
250 |
1.60 |
| Brunnings Ant, Termite Spider and Cockroach Killer |
95 |
93 |
97 |
100g/L permethrin |
Bottle |
500 |
4.00 |
| Coles Smartbuy Surface Spray Low Irritant |
95 |
90 |
100 |
2.79g/kg permethrin, 1.38g/kg tetramethrin |
Can |
250 |
0.83 |
| Baygon High Performance Egg Kill Crawling Insect Surface Spray |
95 |
97 |
93 |
2g/kg cypermethrin, 3.5g/kg tetramethrin, 3g/kg (s)-hydroprene |
Can |
250 |
2.91 |
| Atlas Crawling Insect Surface Spray |
87 |
73 |
100 |
2.79 g/kg permethrin, 0.15 g/kg imiprothrin |
Can |
250 |
0.84 |
| Crawly Cruncher Household Insecticide / Surface Spray |
55 |
37 |
73 |
38g/L diazinon |
Bottle |
1000 |
0.83 |
| Hovex 2 in 1 Outdoor & Indoor Surface Spray |
53 |
27 |
80 |
0.5g/L bifenthrin |
Spray pack |
2000 |
1.00 |
Table Notes
* Rounded to the nearest cent.
ns Not specified.
na Not applicable.
(A) Discontinued, but may still be available in some stores.
Scores: find out the type of cockroach you have and look at the best performing.
- Knockdown sprays: lists the time it took to kill all cockroaches in the sample rather than a score.
- Surface spray and baits and mats: knockdown rate for American and German cockroaches, weighted equally.
Price Recommended retail, as of July 2010.
Note: We don’t recommend Pea Beu Insect Killer Fast Kill Low Allergenic Odourless, as it uses bioresmethrin as one of its active ingredients (not registered for use in Europe).
How we test
Knockdown sprays: The assessment is based on how fast in seconds the spray works to put cockroaches on their backs (“knockdown”). Independent external testers place German and American cockroaches in specially designed chambers, spray them at a distance of 20cm and time how long it takes to knock them all down.
Surface sprays: Pine plywood surfaces are treated as per the label directions and one quarter of each surface is left untreated. A separate set of surfaces is treated for the two cockroach species under evaluation. Evaluations are made 28 days after treatment. Cockroaches are placed within a small refuge on the untreated quarter of each surface and assessments are made after 48 hours’ exposure.
Baits and mats: A single bait treatment is placed at one end of each container and a food source is placed beside it. At the other end of the container is a cockroach refuge and water source. The American and German cockroaches are evaluated in separate containers. Two assessments are made, each after 14 days.
Long-term effects
Most of the surface sprays on test include claims of lasting between three and up to six months. While we cannot give you information on their long-term effect over this length of time, we have updated the table to reflect their effectiveness after three months.