DoMyOwn's Pest Box »
DoMyOwn's Turf Box »
Dog Care »
Fall Weed Prevention Starts Now - 10% Off* Pre-Emergent Weed Control - SHOP NOW >>
« See More Q&A's
Steve from New York writes
The pyrethrin in the Tri-Die will last for a couple of days but the silica gel will last until it is removed or covered up with debris.
Answer last updated on: 04/02/2013
Was this answer helpful to you? Yes No
3 of 4 people found this answer helpful.
$31.33
Free Shipping*
