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K from California writes,

How come precor doesn't work?

I have been using Precor for 2 months now, spraying weekly instead of every 14 days. I vacuum before treatment and about twice a week after but I'm getting 1 - 2 bites once a week. I caught a live one on my foot this afternoon after I vacuumed. I don't know what else to do. Should I switch to Ultracide or stick with Precor?


Precor 2000 Plus Premise is an excellent product and should be working. It is possible that the flea problem was worse than you initially assessed. We would recommend continuing to treat but using the products as directed and not treating before 10-14 days. Using products more often than labeled for could possibly build up an immunity to them. Ultracide is an excellent option. It contains an IGR which will stop the fleas from reproducing. Make sure to use the product as directed on the label.

Answer last updated on: 02/09/2015

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