Power Si Control is a completely new sucking pest product only contains natural extracts. It is effective on spider mites, thrips, whiteflies, aphids, and fungus gnats. It can be used as a foliar spray or as a soil drench. As a result, POWER SI Control will not draw the moisture out of your plants like a lot of products currently on the market. POWER SI Control is safe to apply daily and will not interfere with plant development. It can be used as often as required throughout growth.