PT 221L cannot be sprayed down drains. Springtails would not be coming from the drains unless there is a crack somewhere in the pipes that allows them to get in. Most times people see springtails coming out of the drains after they are just gone down to get moisture. Springtails indicate that there is a moisture issue because they breed in walls or under slabs where a moisture issue may exist. Typically, pesticides alone will not take care of a springtail problem. It is required to fix whatever moisture issue is causing the problem. Please view our article "How to get Rid of Springtails". This article contains everything you need to know to treat for springtails.
PT 221L Residual Aerosol contains petroleum distillates so it is not water based.
No,
PT 221L Residual Aerosol is not labeled for use on fleas.
PT 221L Residual Aerosol is labeled to kill wood wasps, but not hornets. This is a non-selective insecticide (lambda-cyhalothrin), so it would affect these insects if you were able to contact them, however it does not offer the quick knockdown that would be preferred for flying, stinging insects. We do sell an excellent Wasp and Hornet Control Kit which contains the ready-to-use Wasp-X and Temprid SC. The Wasp-X will have a fast kill than something like the PT 221L, plus it has a unique foaming action to expand and cover nests and residual activity. Temprid SC is a liquid concentrate that is diluted with water and applied with a pump sprayer in areas where insects may be likely to enter the structure.
Please see our Wasp Pest Guide for more tips and information about this pest.
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When applying, PT 221L Residual Aerosol the product label only states to NOT apply in hospital patient rooms, classrooms, libraries, sports facilities, etc when occupants are present.
Reapplication of PT 221L Residual Aerosol may be made at 7 day intervals. Pets and children can return to the treated areas once the application is dry, which may be around an hour.
PT 221L Residual Aerosol should be used as directed on the manufacturer's product label, which states to avoid contaminating food, food utensils or food preparation areas when applying.