How to clean the sprayers

Before spraying pesticide which could not mix with other pesticide, the sprayers must be clean, otherwise, not only will reduce the efficacy and prone to injury, causing undue loss. The sprayers specific cleaning methods should according to different device to use, the following are two common sproyers cleaning methods for you to reference.
1. Plastic bucket sprayer.
First poured into 5% of the hot alkaline water (water temperature 60 ° C), so full of the various parts of the lance, nozzle, and shake sprayer every 10 minutes, after 2 to 3 hours, poured lye and then rinse using water for 2 to 4 times. 2. Metal pail sprayer.
First pour 1% the black alum water (ferrous sulfate solution) in the sprayer soak for 2 hours, then rinse with water 2 to 4 times; another method is soaking in hot alkali (as above) 1 hour, and then hot alkaline wash again, and finally washed with water 4 to 5 times.
In addition, spraying the herbicide sprayer, general cleaning effect is not good, chronic phytotoxicity to crops will affect crop growth and even the final yield. Spraying of herbicides should set aside special sprayer.