This is a Very Good Solution to kill Cockroaches This not have gases or something but this is dangerous do not eat it this must contain Boric Acid. This is unsafe for children.This Method works for A year
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Step 1: Things You Gonna Need
1.Main Ingredient Boric Acid
2.All Purpose Flour
4.Nido Milk powder
Step 2: The Measurement
boric acid 100 gm
milk powder 50 gm
20 gm flour
sugar 10 gm
Step 3: How to Use This Cockroach Killer
Make small balls stick to kitchen's cupboard and stove and if you have cardboard boxes throw away the old boxes in the trash. after the cockroaches are dead and buy or take cardboards from anywhere if you want . This method works for A year. after the year apply same method the cockroaches go away forever...