Because pepper and pepper have pungent smell, which is disliked by aphids and small black flies. Therefore, the use of pepper spray, can play a role in driving aphids and small black fly.
First of all, prepare capsicum. It's better to choose a spicy variety, so that it's more stimulating. Pour the pepper into the bottle and add a little pepper. You can also use a juicer to fry the pepper juice instead. Add 20 - 30 times water, and let stand for 24 or 48 hours.
Then find a new container, spread two paper towels or strainers on the top, then filter the chili water, remove the filter residue, and retain the filtrate. After that, put the filtrate into a clean watering can and spray it to the place where there are insects on the plant.
